Finding the Third Proportional to 39.23 and 56.32

Step by Step Solution

1. Step 1: Write the proportion equation
   39.23 : 56.32 = 56.32 : x
2. Step 2: Convert to fraction form
   39.23/56.32 = 56.32/x
3. Step 3: Cross multiply
   39.23x = 56.32 × 56.32
4. Step 4: Simplify right side
   39.23x = 3,171.98
5. Step 5: Solve for x
   x = 3,171.98/39.23
6. Step 6: Final answer
   x = 80.85