Finding the Third Proportional to 67,132.13 and 146,245.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,132.13 : 146,245.50 = 146,245.50 : x
2. Step 2: Convert to fraction form
   67,132.13/146,245.50 = 146,245.50/x
3. Step 3: Cross multiply
   67,132.13x = 146,245.50 × 146,245.50
4. Step 4: Simplify right side
   67,132.13x = 21,387,746,270.25
5. Step 5: Solve for x
   x = 21,387,746,270.25/67,132.13
6. Step 6: Final answer
   x = 318,591.83