Finding the Third Proportional to 6,439,610 and 8,714,631

Step by Step Solution

1. Step 1: Write the proportion equation
   6,439,610 : 8,714,631 = 8,714,631 : x
2. Step 2: Convert to fraction form
   6,439,610/8,714,631 = 8,714,631/x
3. Step 3: Cross multiply
   6,439,610x = 8,714,631 × 8,714,631
4. Step 4: Simplify right side
   6,439,610x = 75,944,793,466,161
5. Step 5: Solve for x
   x = 75,944,793,466,161/6,439,610
6. Step 6: Final answer
   x = 11,793,383.99