Finding the Third Proportional to 32,470.88 and 69,639.75

Step by Step Solution

1. Step 1: Write the proportion equation
   32,470.88 : 69,639.75 = 69,639.75 : x
2. Step 2: Convert to fraction form
   32,470.88/69,639.75 = 69,639.75/x
3. Step 3: Cross multiply
   32,470.88x = 69,639.75 × 69,639.75
4. Step 4: Simplify right side
   32,470.88x = 4,849,694,780.06
5. Step 5: Solve for x
   x = 4,849,694,780.06/32,470.88
6. Step 6: Final answer
   x = 149,355.22