Finding the Third Proportional to 3,647,097 and 8,442,369

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,097 : 8,442,369 = 8,442,369 : x
2. Step 2: Convert to fraction form
   3,647,097/8,442,369 = 8,442,369/x
3. Step 3: Cross multiply
   3,647,097x = 8,442,369 × 8,442,369
4. Step 4: Simplify right side
   3,647,097x = 71,273,594,332,161
5. Step 5: Solve for x
   x = 71,273,594,332,161/3,647,097
6. Step 6: Final answer
   x = 19,542,555.17