75586903 ÷ 489 
We're looking to find how many times 489 goes into 75586903.

Step 1:
If we divide 7 by 489, we get 0 and a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Grab the next digit (5) from the dividend, add it to 7, then carry on: 75 / 489

Advancing to step 2:
489 can be fit into 75 0 times, resulting in a remainder of 75.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 75, we end up with 75.
Bring next digit (5) of the dividend behind the 75 and repeat the process: 755 / 489

Moving on to step 3:
If we divide 755 by 489, we get 1 and a remainder of 266.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 489 from 755 leaves us with 266.
Bring next digit (8) of the dividend behind the 266 and repeat the process: 2668 / 489

Advancing to step 4:
If we divide 2668 by 489, we get 5 and a remainder of 223.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
If we subtract 2445 from 2668, we get 223.
Take the next digit (6) from the dividend and append it to 223, then repeat: 2236 / 489

Step 5:
The number 489 fits into 2236 4 times, leaving a remainder of 280.
Record the quotient 4 as the next digit in the result. 
Result so far: 154.0
The remainder is 280 after subtracting 1956 from 2236.
Grab the next digit (9) from the dividend, add it to 280, then carry on: 2809 / 489

Going ahead to step 6:
If we divide 2809 by 489, we get 5 and a remainder of 364.
Write down 5 as next digit of the result. 
Result so far: 1545.0
If we take 2445 away from 2809, we end up with 364.
Append the next digit (0) from the dividend to 364 and continue with: 3640 / 489

Let's proceed to step 7:
When dividing 3640 by 489, we get 7 with a remainder of 217.
Record the quotient 7 as the next digit in the result. 
Result so far: 15457.0
The remainder is 217 after subtracting 3423 from 3640.
Bring next digit (3) of the dividend behind the 217 and repeat the process: 2173 / 489

Going ahead to step 8:
489 can be fit into 2173 4 times, resulting in a remainder of 217.
Use 4 as the next digit of our solution. 
Result so far: 154574.0
Subtract 1956 from 2173 to get 217.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2170, and continue the process.

Advancing to step 9:
489 can be fit into 2170 4 times, resulting in a remainder of 214.
Write down 4 as next digit of the result. 
Result so far: 154574.4
If we subtract 1956 from 2170, we get 214.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2140, and continue the process.

Going ahead to step 10:
If we divide 2140 by 489, we get 4 and a remainder of 184.
The number 4 becomes the next digit in our result. 
Result so far: 154574.44
Subtract 1956 from 2140 to get 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

The final outcome is 154574.44, with a leftover of 0.184.