Finding the Third Proportional to 50,142.38 and 77,387.06

Step by Step Solution

1. Step 1: Write the proportion equation
   50,142.38 : 77,387.06 = 77,387.06 : x
2. Step 2: Convert to fraction form
   50,142.38/77,387.06 = 77,387.06/x
3. Step 3: Cross multiply
   50,142.38x = 77,387.06 × 77,387.06
4. Step 4: Simplify right side
   50,142.38x = 5,988,757,442.38
5. Step 5: Solve for x
   x = 5,988,757,442.38/50,142.38
6. Step 6: Final answer
   x = 119,435.06