We look at the division of 75598951 by 409 
We want to figure out the number of times 75598951 can be divided by 409.

Step 1:
409 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (5) from the dividend to 7 and continue with: 75 / 409

On to step 2:
The number 409 fits into 75 0 times, leaving a remainder of 75.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 75, we get 75.
Include the next digit (5) from the dividend after 75, then repeat: 755 / 409

Let's proceed to step 3:
If we divide 755 by 409, we get 1 and a remainder of 346.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 346 after subtracting 409 from 755.
Take the next digit (9) from the dividend and append it to 346, then repeat: 3469 / 409

On to step 4:
409 can be fit into 3469 8 times, resulting in a remainder of 197.
The number 8 becomes the next digit in our result. 
Result so far: 18.0
If we take 3272 away from 3469, we end up with 197.
Append the next digit (8) from the dividend to 197 and continue with: 1978 / 409

Moving on to step 5:
When dividing 1978 by 409, we get 4 with a remainder of 342.
Use 4 as the next digit of our solution. 
Result so far: 184.0
The remainder is 342 after subtracting 1636 from 1978.
Bring next digit (9) of the dividend behind the 342 and repeat the process: 3429 / 409

On to step 6:
409 can be fit into 3429 8 times, resulting in a remainder of 157.
The number 8 becomes the next digit in our result. 
Result so far: 1848.0
Subtracting 3272 from 3429 leaves us with 157.
Include the next digit (5) from the dividend after 157, then repeat: 1575 / 409

Let's proceed to step 7:
The number 409 fits into 1575 3 times, leaving a remainder of 348.
Use 3 as the next digit of our solution. 
Result so far: 18483.0
Deduct 1227 from 1575 and we're left with 348.
Take the next digit (1) from the dividend and append it to 348, then repeat: 3481 / 409

Going ahead to step 8:
When dividing 3481 by 409, we get 8 with a remainder of 209.
Put 8 as the next digit of the answer. 
Result so far: 184838.0
If we take 3272 away from 3481, we end up with 209.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2090, and continue the process.

On to step 9:
When dividing 2090 by 409, we get 5 with a remainder of 45.
Use 5 as the next digit of our solution. 
Result so far: 184838.5
Subtracting 2045 from 2090 leaves us with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 10:
409 can be fit into 450 1 times, resulting in a remainder of 41.
Record the quotient 1 as the next digit in the result. 
Result so far: 184838.51
Subtract 409 from 450 to get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Advancing to step 11:
If we divide 410 by 409, we get 1 and a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 184838.511
If we subtract 409 from 410, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

In conclusion, the division gives 184838.511 with a balance of 0.0001.