Finding the Third Proportional to 3,987,598 and 8,747,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,598 : 8,747,140 = 8,747,140 : x
2. Step 2: Convert to fraction form
   3,987,598/8,747,140 = 8,747,140/x
3. Step 3: Cross multiply
   3,987,598x = 8,747,140 × 8,747,140
4. Step 4: Simplify right side
   3,987,598x = 76,512,458,179,600
5. Step 5: Solve for x
   x = 76,512,458,179,600/3,987,598
6. Step 6: Final answer
   x = 19,187,605.72