Finding the Third Proportional to 28,693.13 and 62,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,693.13 : 62,920.50 = 62,920.50 : x
2. Step 2: Convert to fraction form
   28,693.13/62,920.50 = 62,920.50/x
3. Step 3: Cross multiply
   28,693.13x = 62,920.50 × 62,920.50
4. Step 4: Simplify right side
   28,693.13x = 3,958,989,320.25
5. Step 5: Solve for x
   x = 3,958,989,320.25/28,693.13
6. Step 6: Final answer
   x = 137,976.93