Finding the Third Proportional to 62.88 and 123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   62.88 : 123.31 = 123.31 : x
2. Step 2: Convert to fraction form
   62.88/123.31 = 123.31/x
3. Step 3: Cross multiply
   62.88x = 123.31 × 123.31
4. Step 4: Simplify right side
   62.88x = 15,205.97
5. Step 5: Solve for x
   x = 15,205.97/62.88
6. Step 6: Final answer
   x = 241.84