Alright, let's work through 5105 times 3426 step by step
5105 × 3426 = 3426 × (5105)
+ 3426 × 5 producing 17130
+ 3426 × 00 giving us 0
+ 3426 × 100 what gives us 342600
+ 3426 × 5000 yielding 17130000

= 17489730
