Finding the Third Proportional to 3,647,104 and 8,442,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,104 : 8,442,386 = 8,442,386 : x
2. Step 2: Convert to fraction form
   3,647,104/8,442,386 = 8,442,386/x
3. Step 3: Cross multiply
   3,647,104x = 8,442,386 × 8,442,386
4. Step 4: Simplify right side
   3,647,104x = 71,273,881,372,996
5. Step 5: Solve for x
   x = 71,273,881,372,996/3,647,104
6. Step 6: Final answer
   x = 19,542,596.36