Finding the Third Proportional to 8,632.50 and 13,380.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.50 : 13,380.75 = 13,380.75 : x
2. Step 2: Convert to fraction form
   8,632.50/13,380.75 = 13,380.75/x
3. Step 3: Cross multiply
   8,632.50x = 13,380.75 × 13,380.75
4. Step 4: Simplify right side
   8,632.50x = 179,044,470.56
5. Step 5: Solve for x
   x = 179,044,470.56/8,632.50
6. Step 6: Final answer
   x = 20,740.74