Finding the Third Proportional to 39,488 and 60,040

Step by Step Solution

1. Step 1: Write the proportion equation
   39,488 : 60,040 = 60,040 : x
2. Step 2: Convert to fraction form
   39,488/60,040 = 60,040/x
3. Step 3: Cross multiply
   39,488x = 60,040 × 60,040
4. Step 4: Simplify right side
   39,488x = 3,604,801,600
5. Step 5: Solve for x
   x = 3,604,801,600/39,488
6. Step 6: Final answer
   x = 91,288.53