Finding the Third Proportional to 32.25 and 42.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32.25 : 42.31 = 42.31 : x
2. Step 2: Convert to fraction form
   32.25/42.31 = 42.31/x
3. Step 3: Cross multiply
   32.25x = 42.31 × 42.31
4. Step 4: Simplify right side
   32.25x = 1,790.35
5. Step 5: Solve for x
   x = 1,790.35/32.25
6. Step 6: Final answer
   x = 55.51