Alright, let's work through 72274987 times 75210610 step by step
72274987 × 75210610 = 75210610 × (72274987)
+ 75210610 × 7 resulting in 526474270
+ 75210610 × 80 giving us 6016848800
+ 75210610 × 900 which equals 67689549000
+ 75210610 × 4000 yielding 300842440000
+ 75210610 × 70000 resulting in 5264742700000
+ 75210610 × 200000 which equals 15042122000000
+ 75210610 × 2000000 producing 150421220000000
+ 75210610 × 70000000 producing 5264742700000000

= 5435845860012070
