Finding the Third Proportional to 137,892.38 and 216,675

Step by Step Solution

1. Step 1: Write the proportion equation
   137,892.38 : 216,675 = 216,675 : x
2. Step 2: Convert to fraction form
   137,892.38/216,675 = 216,675/x
3. Step 3: Cross multiply
   137,892.38x = 216,675 × 216,675
4. Step 4: Simplify right side
   137,892.38x = 46,948,055,625
5. Step 5: Solve for x
   x = 46,948,055,625/137,892.38
6. Step 6: Final answer
   x = 340,468.83