1788887 divided by 521 
We want to figure out the number of times 1788887 can be divided by 521.

Moving on to step 1:
1 divided by 521 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Append the next digit (7) from the dividend to 1 and continue with: 17 / 521

Going ahead to step 2:
When dividing 17 by 521, we get 0 with a remainder of 17.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 17, we get 17.
Append the next digit (8) from the dividend to 17 and continue with: 178 / 521

Step 3:
When dividing 178 by 521, we get 0 with a remainder of 178.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 178 and we're left with 178.
Bring next digit (8) of the dividend behind the 178 and repeat the process: 1788 / 521

Step 4:
When dividing 1788 by 521, we get 3 with a remainder of 225.
The next digit of our result is 3. 
Result so far: 3.0
If we take 1563 away from 1788, we end up with 225.
Append the next digit (8) from the dividend to 225 and continue with: 2258 / 521

Let's proceed to step 5:
521 can be fit into 2258 4 times, resulting in a remainder of 174.
Use 4 as the next digit of our solution. 
Result so far: 34.0
Subtract 2084 from 2258 to get 174.
Bring next digit (8) of the dividend behind the 174 and repeat the process: 1748 / 521

Going ahead to step 6:
If we divide 1748 by 521, we get 3 and a remainder of 185.
Put 3 as the next digit of the answer. 
Result so far: 343.0
If we take 1563 away from 1748, we end up with 185.
Grab the next digit (7) from the dividend, add it to 185, then carry on: 1857 / 521

On to step 7:
When dividing 1857 by 521, we get 3 with a remainder of 294.
The number 3 becomes the next digit in our result. 
Result so far: 3433.0
Subtract 1563 from 1857 to get 294.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

On to step 8:
521 can be fit into 2940 5 times, resulting in a remainder of 335.
Write down 5 as next digit of the result. 
Result so far: 3433.5
If we subtract 2605 from 2940, we get 335.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3350, and continue the process.

Let's proceed to step 9:
3350 divided by 521 is 6 with a remainder of 224.
Write down 6 as next digit of the result. 
Result so far: 3433.56
If we take 3126 away from 3350, we end up with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

Advancing to step 10:
521 can be fit into 2240 4 times, resulting in a remainder of 156.
Use 4 as the next digit of our solution. 
Result so far: 3433.564
If we subtract 2084 from 2240, we get 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Moving on to step 11:
If we divide 1560 by 521, we get 2 and a remainder of 518.
Use 2 as the next digit of our solution. 
Result so far: 3433.5642
If we take 1042 away from 1560, we end up with 518.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5180, and continue the process.

Let's proceed to step 12:
5180 divided by 521 is 9 with a remainder of 491.
Record the quotient 9 as the next digit in the result. 
Result so far: 3433.56429
If we subtract 4689 from 5180, we get 491.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4910, and continue the process.

On to step 13:
521 can be fit into 4910 9 times, resulting in a remainder of 221.
The number 9 becomes the next digit in our result. 
Result so far: 3433.564299
Subtracting 4689 from 4910 leaves us with 221.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

After the division, we end up with 3433.564299 and a remainder of 2.21e-05.