Finding the Third Proportional to 38,539.50 and 54,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,539.50 : 54,995.50 = 54,995.50 : x
2. Step 2: Convert to fraction form
   38,539.50/54,995.50 = 54,995.50/x
3. Step 3: Cross multiply
   38,539.50x = 54,995.50 × 54,995.50
4. Step 4: Simplify right side
   38,539.50x = 3,024,505,020.25
5. Step 5: Solve for x
   x = 3,024,505,020.25/38,539.50
6. Step 6: Final answer
   x = 78,478.06