Finding the Third Proportional to 5,287,105 and 7,965,661

Step by Step Solution

1. Step 1: Write the proportion equation
   5,287,105 : 7,965,661 = 7,965,661 : x
2. Step 2: Convert to fraction form
   5,287,105/7,965,661 = 7,965,661/x
3. Step 3: Cross multiply
   5,287,105x = 7,965,661 × 7,965,661
4. Step 4: Simplify right side
   5,287,105x = 63,451,755,166,921
5. Step 5: Solve for x
   x = 63,451,755,166,921/5,287,105
6. Step 6: Final answer
   x = 12,001,228.49