Finding the Third Proportional to 3,870,576 and 8,202,600

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,576 : 8,202,600 = 8,202,600 : x
2. Step 2: Convert to fraction form
   3,870,576/8,202,600 = 8,202,600/x
3. Step 3: Cross multiply
   3,870,576x = 8,202,600 × 8,202,600
4. Step 4: Simplify right side
   3,870,576x = 67,282,646,760,000
5. Step 5: Solve for x
   x = 67,282,646,760,000/3,870,576
6. Step 6: Final answer
   x = 17,383,109.58