Finding the Third Proportional to 56.25 and 132.47

Step by Step Solution

1. Step 1: Write the proportion equation
   56.25 : 132.47 = 132.47 : x
2. Step 2: Convert to fraction form
   56.25/132.47 = 132.47/x
3. Step 3: Cross multiply
   56.25x = 132.47 × 132.47
4. Step 4: Simplify right side
   56.25x = 17,547.97
5. Step 5: Solve for x
   x = 17,547.97/56.25
6. Step 6: Final answer
   x = 311.96