Finding the Third Proportional to 38.92 and 56.32

Step by Step Solution

1. Step 1: Write the proportion equation
   38.92 : 56.32 = 56.32 : x
2. Step 2: Convert to fraction form
   38.92/56.32 = 56.32/x
3. Step 3: Cross multiply
   38.92x = 56.32 × 56.32
4. Step 4: Simplify right side
   38.92x = 3,171.98
5. Step 5: Solve for x
   x = 3,171.98/38.92
6. Step 6: Final answer
   x = 81.50