Finding the Third Proportional to 3,987,594 and 8,747,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,594 : 8,747,132 = 8,747,132 : x
2. Step 2: Convert to fraction form
   3,987,594/8,747,132 = 8,747,132/x
3. Step 3: Cross multiply
   3,987,594x = 8,747,132 × 8,747,132
4. Step 4: Simplify right side
   3,987,594x = 76,512,318,225,424
5. Step 5: Solve for x
   x = 76,512,318,225,424/3,987,594
6. Step 6: Final answer
   x = 19,187,589.87