Finding the Third Proportional to 3,647,124 and 8,442,441

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,124 : 8,442,441 = 8,442,441 : x
2. Step 2: Convert to fraction form
   3,647,124/8,442,441 = 8,442,441/x
3. Step 3: Cross multiply
   3,647,124x = 8,442,441 × 8,442,441
4. Step 4: Simplify right side
   3,647,124x = 71,274,810,038,481
5. Step 5: Solve for x
   x = 71,274,810,038,481/3,647,124
6. Step 6: Final answer
   x = 19,542,743.83