Finding the Third Proportional to 15.56 and 32.39

Step by Step Solution

1. Step 1: Write the proportion equation
   15.56 : 32.39 = 32.39 : x
2. Step 2: Convert to fraction form
   15.56/32.39 = 32.39/x
3. Step 3: Cross multiply
   15.56x = 32.39 × 32.39
4. Step 4: Simplify right side
   15.56x = 1,049.15
5. Step 5: Solve for x
   x = 1,049.15/15.56
6. Step 6: Final answer
   x = 67.42