Finding the Third Proportional to 3,899,018 and 8,694,524

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,018 : 8,694,524 = 8,694,524 : x
2. Step 2: Convert to fraction form
   3,899,018/8,694,524 = 8,694,524/x
3. Step 3: Cross multiply
   3,899,018x = 8,694,524 × 8,694,524
4. Step 4: Simplify right side
   3,899,018x = 75,594,747,586,576
5. Step 5: Solve for x
   x = 75,594,747,586,576/3,899,018
6. Step 6: Final answer
   x = 19,388,150.45