Finding the Third Proportional to 12,711,046.50 and 16,320,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,711,046.50 : 16,320,649.50 = 16,320,649.50 : x
2. Step 2: Convert to fraction form
   12,711,046.50/16,320,649.50 = 16,320,649.50/x
3. Step 3: Cross multiply
   12,711,046.50x = 16,320,649.50 × 16,320,649.50
4. Step 4: Simplify right side
   12,711,046.50x = 266,363,600,101,850.25
5. Step 5: Solve for x
   x = 266,363,600,101,850.25/12,711,046.50
6. Step 6: Final answer
   x = 20,955,284.85