Finding the Third Proportional to 39,502.69 and 53,103.09

Step by Step Solution

1. Step 1: Write the proportion equation
   39,502.69 : 53,103.09 = 53,103.09 : x
2. Step 2: Convert to fraction form
   39,502.69/53,103.09 = 53,103.09/x
3. Step 3: Cross multiply
   39,502.69x = 53,103.09 × 53,103.09
4. Step 4: Simplify right side
   39,502.69x = 2,819,938,565.82
5. Step 5: Solve for x
   x = 2,819,938,565.82/39,502.69
6. Step 6: Final answer
   x = 71,385.99