25356219 divided by 391 
Our goal is to divide 25356219 by 391.

Advancing to step 1:
391 goes into 2 0 times with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 391

Advancing to step 2:
391 can be fit into 25 0 times, resulting in a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 25, we end up with 25.
Include the next digit (3) from the dividend after 25, then repeat: 253 / 391

On to step 3:
When dividing 253 by 391, we get 0 with a remainder of 253.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 253 to get 253.
Fetch the next digit (5) from the dividend, attach it to 253 and continue: 2535 / 391

Step 4:
2535 divided by 391 is 6 with a remainder of 189.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
The remainder is 189 after subtracting 2346 from 2535.
Grab the next digit (6) from the dividend, add it to 189, then carry on: 1896 / 391

Step 5:
391 goes into 1896 4 times with a remainder of 332.
Put 4 as the next digit of the answer. 
Result so far: 64.0
Subtract 1564 from 1896 to get 332.
Append the next digit (2) from the dividend to 332 and continue with: 3322 / 391

Let's proceed to step 6:
If we divide 3322 by 391, we get 8 and a remainder of 194.
The number 8 becomes the next digit in our result. 
Result so far: 648.0
If we take 3128 away from 3322, we end up with 194.
Bring next digit (1) of the dividend behind the 194 and repeat the process: 1941 / 391

On to step 7:
If we divide 1941 by 391, we get 4 and a remainder of 377.
Record the quotient 4 as the next digit in the result. 
Result so far: 6484.0
If we take 1564 away from 1941, we end up with 377.
Fetch the next digit (9) from the dividend, attach it to 377 and continue: 3779 / 391

Going ahead to step 8:
The number 391 fits into 3779 9 times, leaving a remainder of 260.
Record the quotient 9 as the next digit in the result. 
Result so far: 64849.0
If we take 3519 away from 3779, we end up with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

On to step 9:
391 goes into 2600 6 times with a remainder of 254.
The number 6 becomes the next digit in our result. 
Result so far: 64849.6
If we subtract 2346 from 2600, we get 254.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Step 10:
391 goes into 2540 6 times with a remainder of 194.
Put 6 as the next digit of the answer. 
Result so far: 64849.66
If we take 2346 away from 2540, we end up with 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

The final result is 64849.66 with a remainder of 0.194.