Alright, let's work through 28250502 times 74661539 step by step
28250502 × 74661539 = 74661539 × (28250502)
+ 74661539 × 2 resulting in 149323078
+ 74661539 × 00 yielding 0
+ 74661539 × 500 resulting in 37330769500
+ 74661539 × 0000 what gives us 0
+ 74661539 × 50000 yielding 3733076950000
+ 74661539 × 200000 producing 14932307800000
+ 74661539 × 8000000 that equals 597292312000000
+ 74661539 × 20000000 yielding 1493230780000000

= 2109225956842578
