Finding the Third Proportional to 12,661,657 and 25,770,784

Step by Step Solution

1. Step 1: Write the proportion equation
   12,661,657 : 25,770,784 = 25,770,784 : x
2. Step 2: Convert to fraction form
   12,661,657/25,770,784 = 25,770,784/x
3. Step 3: Cross multiply
   12,661,657x = 25,770,784 × 25,770,784
4. Step 4: Simplify right side
   12,661,657x = 664,133,307,974,656
5. Step 5: Solve for x
   x = 664,133,307,974,656/12,661,657
6. Step 6: Final answer
   x = 52,452,321.84