Finding the Third Proportional to 39,015 and 62,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,015 : 62,815.50 = 62,815.50 : x
2. Step 2: Convert to fraction form
   39,015/62,815.50 = 62,815.50/x
3. Step 3: Cross multiply
   39,015x = 62,815.50 × 62,815.50
4. Step 4: Simplify right side
   39,015x = 3,945,787,040.25
5. Step 5: Solve for x
   x = 3,945,787,040.25/39,015
6. Step 6: Final answer
   x = 101,135.13