Finding the Third Proportional to 22.25 and 54.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22.25 : 54.31 = 54.31 : x
2. Step 2: Convert to fraction form
   22.25/54.31 = 54.31/x
3. Step 3: Cross multiply
   22.25x = 54.31 × 54.31
4. Step 4: Simplify right side
   22.25x = 2,949.85
5. Step 5: Solve for x
   x = 2,949.85/22.25
6. Step 6: Final answer
   x = 132.58