Finding the Third Proportional to 32.43 and 67.55

Step by Step Solution

1. Step 1: Write the proportion equation
   32.43 : 67.55 = 67.55 : x
2. Step 2: Convert to fraction form
   32.43/67.55 = 67.55/x
3. Step 3: Cross multiply
   32.43x = 67.55 × 67.55
4. Step 4: Simplify right side
   32.43x = 4,563.37
5. Step 5: Solve for x
   x = 4,563.37/32.43
6. Step 6: Final answer
   x = 140.71