Finding the Third Proportional to 10,215,625.50 and 21,676,545

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215,625.50 : 21,676,545 = 21,676,545 : x
2. Step 2: Convert to fraction form
   10,215,625.50/21,676,545 = 21,676,545/x
3. Step 3: Cross multiply
   10,215,625.50x = 21,676,545 × 21,676,545
4. Step 4: Simplify right side
   10,215,625.50x = 469,872,603,137,025
5. Step 5: Solve for x
   x = 469,872,603,137,025/10,215,625.50
6. Step 6: Final answer
   x = 45,995,480.47