Alright, let's work through 72428228 times 49298457 step by step
72428228 × 49298457 = 49298457 × (72428228)
+ 49298457 × 8 that equals 394387656
+ 49298457 × 20 yielding 985969140
+ 49298457 × 200 that equals 9859691400
+ 49298457 × 8000 which equals 394387656000
+ 49298457 × 20000 producing 985969140000
+ 49298457 × 400000 that results in 19719382800000
+ 49298457 × 2000000 that equals 98596914000000
+ 49298457 × 70000000 that results in 3450891990000000

= 3570599883644196
