Finding the Third Proportional to 12,661,707 and 25,770,929

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661,707 : 25,770,929 = 25,770,929 : x
2. Step 2: Convert to fraction form
   12,661,707/25,770,929 = 25,770,929/x
3. Step 3: Cross multiply
   12,661,707x = 25,770,929 × 25,770,929
4. Step 4: Simplify right side
   12,661,707x = 664,140,781,523,041
5. Step 5: Solve for x
   x = 664,140,781,523,041/12,661,707
6. Step 6: Final answer
   x = 52,452,704.96