Finding the Third Proportional to 3,870,567 and 8,202,582

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,567 : 8,202,582 = 8,202,582 : x
2. Step 2: Convert to fraction form
   3,870,567/8,202,582 = 8,202,582/x
3. Step 3: Cross multiply
   3,870,567x = 8,202,582 × 8,202,582
4. Step 4: Simplify right side
   3,870,567x = 67,282,351,466,724
5. Step 5: Solve for x
   x = 67,282,351,466,724/3,870,567
6. Step 6: Final answer
   x = 17,383,073.71