Alright, let's work through 43171743 times 93909839 step by step
43171743 × 93909839 = 93909839 × (43171743)
+ 93909839 × 3 resulting in 281729517
+ 93909839 × 40 which equals 3756393560
+ 93909839 × 700 that is equal 65736887300
+ 93909839 × 1000 resulting in 93909839000
+ 93909839 × 70000 which equals 6573688730000
+ 93909839 × 100000 what gives us 9390983900000
+ 93909839 × 3000000 that results in 281729517000000
+ 93909839 × 40000000 that is equal 3756393560000000

= 4054251434479377
