Finding the Third Proportional to 39.02 and 56.32

Step by Step Solution

1. Step 1: Write the proportion equation
   39.02 : 56.32 = 56.32 : x
2. Step 2: Convert to fraction form
   39.02/56.32 = 56.32/x
3. Step 3: Cross multiply
   39.02x = 56.32 × 56.32
4. Step 4: Simplify right side
   39.02x = 3,171.98
5. Step 5: Solve for x
   x = 3,171.98/39.02
6. Step 6: Final answer
   x = 81.28