Finding the Third Proportional to 12,628,580.50 and 20,338,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,628,580.50 : 20,338,338.50 = 20,338,338.50 : x
2. Step 2: Convert to fraction form
   12,628,580.50/20,338,338.50 = 20,338,338.50/x
3. Step 3: Cross multiply
   12,628,580.50x = 20,338,338.50 × 20,338,338.50
4. Step 4: Simplify right side
   12,628,580.50x = 413,648,012,940,582.25
5. Step 5: Solve for x
   x = 413,648,012,940,582.25/12,628,580.50
6. Step 6: Final answer
   x = 32,754,909.62