Finding the Third Proportional to 89,984.50 and 131,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,984.50 : 131,520.50 = 131,520.50 : x
2. Step 2: Convert to fraction form
   89,984.50/131,520.50 = 131,520.50/x
3. Step 3: Cross multiply
   89,984.50x = 131,520.50 × 131,520.50
4. Step 4: Simplify right side
   89,984.50x = 17,297,641,920.25
5. Step 5: Solve for x
   x = 17,297,641,920.25/89,984.50
6. Step 6: Final answer
   x = 192,229.13