Finding the Third Proportional to 127.31 and 173.06

Step by Step Solution

1. Step 1: Write the proportion equation
   127.31 : 173.06 = 173.06 : x
2. Step 2: Convert to fraction form
   127.31/173.06 = 173.06/x
3. Step 3: Cross multiply
   127.31x = 173.06 × 173.06
4. Step 4: Simplify right side
   127.31x = 29,950.63
5. Step 5: Solve for x
   x = 29,950.63/127.31
6. Step 6: Final answer
   x = 235.25