Finding the Third Proportional to 41,728.50 and 90,132.75

Step by Step Solution

1. Step 1: Write the proportion equation
   41,728.50 : 90,132.75 = 90,132.75 : x
2. Step 2: Convert to fraction form
   41,728.50/90,132.75 = 90,132.75/x
3. Step 3: Cross multiply
   41,728.50x = 90,132.75 × 90,132.75
4. Step 4: Simplify right side
   41,728.50x = 8,123,912,622.56
5. Step 5: Solve for x
   x = 8,123,912,622.56/41,728.50
6. Step 6: Final answer
   x = 194,684.99