Finding the Third Proportional to 60,490.50 and 141,279

Step by Step Solution

1. Step 1: Write the proportion equation
   60,490.50 : 141,279 = 141,279 : x
2. Step 2: Convert to fraction form
   60,490.50/141,279 = 141,279/x
3. Step 3: Cross multiply
   60,490.50x = 141,279 × 141,279
4. Step 4: Simplify right side
   60,490.50x = 19,959,755,841
5. Step 5: Solve for x
   x = 19,959,755,841/60,490.50
6. Step 6: Final answer
   x = 329,965.13