Finding the Third Proportional to 12,661,702 and 25,770,878

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661,702 : 25,770,878 = 25,770,878 : x
2. Step 2: Convert to fraction form
   12,661,702/25,770,878 = 25,770,878/x
3. Step 3: Cross multiply
   12,661,702x = 25,770,878 × 25,770,878
4. Step 4: Simplify right side
   12,661,702x = 664,138,152,890,884
5. Step 5: Solve for x
   x = 664,138,152,890,884/12,661,702
6. Step 6: Final answer
   x = 52,452,518.07