Finding the Third Proportional to 39,002.50 and 64,065.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,002.50 : 64,065.75 = 64,065.75 : x
2. Step 2: Convert to fraction form
   39,002.50/64,065.75 = 64,065.75/x
3. Step 3: Cross multiply
   39,002.50x = 64,065.75 × 64,065.75
4. Step 4: Simplify right side
   39,002.50x = 4,104,420,323.06
5. Step 5: Solve for x
   x = 4,104,420,323.06/39,002.50
6. Step 6: Final answer
   x = 105,234.80