Alright, let's work through 50159267 times 99431999 step by step
50159267 × 99431999 = 99431999 × (50159267)
+ 99431999 × 7 yielding 696023993
+ 99431999 × 60 producing 5965919940
+ 99431999 × 200 resulting in 19886399800
+ 99431999 × 9000 what gives us 894887991000
+ 99431999 × 50000 what gives us 4971599950000
+ 99431999 × 100000 which equals 9943199900000
+ 99431999 × 0000000 giving us 0
+ 99431999 × 50000000 yielding 4971599950000000

= 4987436186184733
