Finding the Third Proportional to 67,320.50 and 141,605

Step by Step Solution

1. Step 1: Write the proportion equation
   67,320.50 : 141,605 = 141,605 : x
2. Step 2: Convert to fraction form
   67,320.50/141,605 = 141,605/x
3. Step 3: Cross multiply
   67,320.50x = 141,605 × 141,605
4. Step 4: Simplify right side
   67,320.50x = 20,051,976,025
5. Step 5: Solve for x
   x = 20,051,976,025/67,320.50
6. Step 6: Final answer
   x = 297,858.39