Finding the Third Proportional to 6,398,608 and 9,811,684

Step by Step Solution

1. Step 1: Write the proportion equation
   6,398,608 : 9,811,684 = 9,811,684 : x
2. Step 2: Convert to fraction form
   6,398,608/9,811,684 = 9,811,684/x
3. Step 3: Cross multiply
   6,398,608x = 9,811,684 × 9,811,684
4. Step 4: Simplify right side
   6,398,608x = 96,269,142,915,856
5. Step 5: Solve for x
   x = 96,269,142,915,856/6,398,608
6. Step 6: Final answer
   x = 15,045,325.94