Finding the Third Proportional to 127,996.88 and 172,308.94

Step by Step Solution

1. Step 1: Write the proportion equation
   127,996.88 : 172,308.94 = 172,308.94 : x
2. Step 2: Convert to fraction form
   127,996.88/172,308.94 = 172,308.94/x
3. Step 3: Cross multiply
   127,996.88x = 172,308.94 × 172,308.94
4. Step 4: Simplify right side
   127,996.88x = 29,690,369,942.38
5. Step 5: Solve for x
   x = 29,690,369,942.38/127,996.88
6. Step 6: Final answer
   x = 231,961.68