Finding the Third Proportional to 67,286 and 141,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,286 : 141,542.50 = 141,542.50 : x
2. Step 2: Convert to fraction form
   67,286/141,542.50 = 141,542.50/x
3. Step 3: Cross multiply
   67,286x = 141,542.50 × 141,542.50
4. Step 4: Simplify right side
   67,286x = 20,034,279,306.25
5. Step 5: Solve for x
   x = 20,034,279,306.25/67,286
6. Step 6: Final answer
   x = 297,748.11