Finding the Third Proportional to 234.16 and 337.31

Step by Step Solution

1. Step 1: Write the proportion equation
   234.16 : 337.31 = 337.31 : x
2. Step 2: Convert to fraction form
   234.16/337.31 = 337.31/x
3. Step 3: Cross multiply
   234.16x = 337.31 × 337.31
4. Step 4: Simplify right side
   234.16x = 113,779.72
5. Step 5: Solve for x
   x = 113,779.72/234.16
6. Step 6: Final answer
   x = 485.91