Finding the Third Proportional to 3,993,609.75 and 8,747,401.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993,609.75 : 8,747,401.88 = 8,747,401.88 : x
2. Step 2: Convert to fraction form
   3,993,609.75/8,747,401.88 = 8,747,401.88/x
3. Step 3: Cross multiply
   3,993,609.75x = 8,747,401.88 × 8,747,401.88
4. Step 4: Simplify right side
   3,993,609.75x = 76,517,039,562,753.52
5. Step 5: Solve for x
   x = 76,517,039,562,753.52/3,993,609.75
6. Step 6: Final answer
   x = 19,159,868.98