Finding the Third Proportional to 21,208,412 and 33,636,576

Step by Step Solution

1. Step 1: Write the proportion equation
   21,208,412 : 33,636,576 = 33,636,576 : x
2. Step 2: Convert to fraction form
   21,208,412/33,636,576 = 33,636,576/x
3. Step 3: Cross multiply
   21,208,412x = 33,636,576 × 33,636,576
4. Step 4: Simplify right side
   21,208,412x = 1,131,419,245,003,776
5. Step 5: Solve for x
   x = 1,131,419,245,003,776/21,208,412
6. Step 6: Final answer
   x = 53,347,664.36