Finding the Third Proportional to 39,016 and 55,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,016 : 55,756.50 = 55,756.50 : x
2. Step 2: Convert to fraction form
   39,016/55,756.50 = 55,756.50/x
3. Step 3: Cross multiply
   39,016x = 55,756.50 × 55,756.50
4. Step 4: Simplify right side
   39,016x = 3,108,787,292.25
5. Step 5: Solve for x
   x = 3,108,787,292.25/39,016
6. Step 6: Final answer
   x = 79,679.81