Finding the Third Proportional to 12,661,646 and 25,770,764

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661,646 : 25,770,764 = 25,770,764 : x
2. Step 2: Convert to fraction form
   12,661,646/25,770,764 = 25,770,764/x
3. Step 3: Cross multiply
   12,661,646x = 25,770,764 × 25,770,764
4. Step 4: Simplify right side
   12,661,646x = 664,132,277,143,696
5. Step 5: Solve for x
   x = 664,132,277,143,696/12,661,646
6. Step 6: Final answer
   x = 52,452,285.99