We look at the division of 210475 by 90 
We're looking to find how many times 90 goes into 210475.

Advancing to step 1:
2 divided by 90 is 0 with a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 90

On to step 2:
If we divide 21 by 90, we get 0 and a remainder of 21.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 21, we end up with 21.
Fetch the next digit (0) from the dividend, attach it to 21 and continue: 210 / 90

On to step 3:
90 can be fit into 210 2 times, resulting in a remainder of 30.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 180 from 210 and we're left with 30.
Take the next digit (4) from the dividend and append it to 30, then repeat: 304 / 90

Going ahead to step 4:
90 goes into 304 3 times with a remainder of 34.
Write down 3 as next digit of the result. 
Result so far: 23.0
The remainder is 34 after subtracting 270 from 304.
Bring next digit (7) of the dividend behind the 34 and repeat the process: 347 / 90

Going ahead to step 5:
90 can be fit into 347 3 times, resulting in a remainder of 77.
Write down 3 as next digit of the result. 
Result so far: 233.0
If we subtract 270 from 347, we get 77.
Take the next digit (5) from the dividend and append it to 77, then repeat: 775 / 90

On to step 6:
90 can be fit into 775 8 times, resulting in a remainder of 55.
Write down 8 as next digit of the result. 
Result so far: 2338.0
Subtract 720 from 775 to get 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

Advancing to step 7:
If we divide 550 by 90, we get 6 and a remainder of 10.
Write down 6 as next digit of the result. 
Result so far: 2338.6
Deduct 540 from 550 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 8:
The number 90 fits into 100 1 times, leaving a remainder of 10.
Write down 1 as next digit of the result. 
Result so far: 2338.61
Deduct 90 from 100 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 9:
90 can be fit into 100 1 times, resulting in a remainder of 10.
Use 1 as the next digit of our solution. 
Result so far: 2338.611
If we take 90 away from 100, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final outcome is 2338.611, with a leftover of 0.001.