Finding the Third Proportional to 3,987,574 and 8,747,150

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,574 : 8,747,150 = 8,747,150 : x
2. Step 2: Convert to fraction form
   3,987,574/8,747,150 = 8,747,150/x
3. Step 3: Cross multiply
   3,987,574x = 8,747,150 × 8,747,150
4. Step 4: Simplify right side
   3,987,574x = 76,512,633,122,500
5. Step 5: Solve for x
   x = 76,512,633,122,500/3,987,574
6. Step 6: Final answer
   x = 19,187,765.07