Finding the Third Proportional to 39,651.75 and 52,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,651.75 : 52,861.50 = 52,861.50 : x
2. Step 2: Convert to fraction form
   39,651.75/52,861.50 = 52,861.50/x
3. Step 3: Cross multiply
   39,651.75x = 52,861.50 × 52,861.50
4. Step 4: Simplify right side
   39,651.75x = 2,794,338,182.25
5. Step 5: Solve for x
   x = 2,794,338,182.25/39,651.75
6. Step 6: Final answer
   x = 70,472.00