Alright, let's work through 43518753 times 21409170 step by step
43518753 × 21409170 = 21409170 × (43518753)
+ 21409170 × 3 that equals 64227510
+ 21409170 × 50 resulting in 1070458500
+ 21409170 × 700 which equals 14986419000
+ 21409170 × 8000 that results in 171273360000
+ 21409170 × 10000 giving us 214091700000
+ 21409170 × 500000 resulting in 10704585000000
+ 21409170 × 3000000 that results in 64227510000000
+ 21409170 × 40000000 what gives us 856366800000000

= 931700381165010
