Finding the Third Proportional to 86.25 and 132.38

Step by Step Solution

1. Step 1: Write the proportion equation
   86.25 : 132.38 = 132.38 : x
2. Step 2: Convert to fraction form
   86.25/132.38 = 132.38/x
3. Step 3: Cross multiply
   86.25x = 132.38 × 132.38
4. Step 4: Simplify right side
   86.25x = 17,523.14
5. Step 5: Solve for x
   x = 17,523.14/86.25
6. Step 6: Final answer
   x = 203.17