Finding the Third Proportional to 185.25 and 239.38

Step by Step Solution

1. Step 1: Write the proportion equation
   185.25 : 239.38 = 239.38 : x
2. Step 2: Convert to fraction form
   185.25/239.38 = 239.38/x
3. Step 3: Cross multiply
   185.25x = 239.38 × 239.38
4. Step 4: Simplify right side
   185.25x = 57,300.39
5. Step 5: Solve for x
   x = 57,300.39/185.25
6. Step 6: Final answer
   x = 309.31