The score came at the end of a nine play, 80-yard drive. Skon completed 5 of 5 passes on the drive for 92 yards, including a pair of passes to Macari, who finished the day with seven grabs for 71 yards.
Skon was 19-of-29 passing in the game for 231 yards and the score.
Macari's touchdown put Georgetown (5-5, 2-2 Patriot League) up 10-0 following Matt MacZura's 20-yard field goal in the first quarter.
Bucknell's Sean Cobelli hit a 37-yard field goal in the fourth quarter, ending the Hoyas' shutout bid.
The Bison (2-8, 0-5) managed just 168 yards of offense and seven first downs to Georgetown's 22.
The win snapped a four-game losing streak in the series for Georgetwon.
Florida State coach Jimbo Fisher hopes quarterback Sean Maguire is ready to go full speed by the middle of June.
Graduate transfer quarterback Davis Webb has officially joined California, giving the Golden Bears an experienced option to replace No. 1 overall NFL draft pick Jared Goff.
First-year football coach Dino Babers, hired by former Syracuse AD Mark Coyle, is on the committee that will search for Coyle's replacement.
Hugh Freeze has some major holes to fill on offense with the departures of Laremy Tunsil and Laquon Treadwell, but there is Chady Kelly and good depth.
After transferring in from Montana State, Dakota Prukop has a checklist he's working from as he prepares to compete for the Oregon job.
The destination for Week 6 of the Big 12 Ultimate Road Trip is unanimous, as all three conference reporters would head to the Red River Rivalry.