Finding the Third Proportional to 39,651 and 54,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,651 : 54,373.50 = 54,373.50 : x
2. Step 2: Convert to fraction form
   39,651/54,373.50 = 54,373.50/x
3. Step 3: Cross multiply
   39,651x = 54,373.50 × 54,373.50
4. Step 4: Simplify right side
   39,651x = 2,956,477,502.25
5. Step 5: Solve for x
   x = 2,956,477,502.25/39,651
6. Step 6: Final answer
   x = 74,562.50