Finding the Third Proportional to 39.08 and 55.37

Step by Step Solution

1. Step 1: Write the proportion equation
   39.08 : 55.37 = 55.37 : x
2. Step 2: Convert to fraction form
   39.08/55.37 = 55.37/x
3. Step 3: Cross multiply
   39.08x = 55.37 × 55.37
4. Step 4: Simplify right side
   39.08x = 3,065.96
5. Step 5: Solve for x
   x = 3,065.96/39.08
6. Step 6: Final answer
   x = 78.46