Finding the Third Proportional to 3,870,577 and 8,202,602

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,577 : 8,202,602 = 8,202,602 : x
2. Step 2: Convert to fraction form
   3,870,577/8,202,602 = 8,202,602/x
3. Step 3: Cross multiply
   3,870,577x = 8,202,602 × 8,202,602
4. Step 4: Simplify right side
   3,870,577x = 67,282,679,570,404
5. Step 5: Solve for x
   x = 67,282,679,570,404/3,870,577
6. Step 6: Final answer
   x = 17,383,113.57