Finding the Third Proportional to 67,285 and 141,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,285 : 141,540.50 = 141,540.50 : x
2. Step 2: Convert to fraction form
   67,285/141,540.50 = 141,540.50/x
3. Step 3: Cross multiply
   67,285x = 141,540.50 × 141,540.50
4. Step 4: Simplify right side
   67,285x = 20,033,713,140.25
5. Step 5: Solve for x
   x = 20,033,713,140.25/67,285
6. Step 6: Final answer
   x = 297,744.12