Finding the Third Proportional to 12,730,728 and 26,049,760

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,728 : 26,049,760 = 26,049,760 : x
2. Step 2: Convert to fraction form
   12,730,728/26,049,760 = 26,049,760/x
3. Step 3: Cross multiply
   12,730,728x = 26,049,760 × 26,049,760
4. Step 4: Simplify right side
   12,730,728x = 678,589,996,057,600
5. Step 5: Solve for x
   x = 678,589,996,057,600/12,730,728
6. Step 6: Final answer
   x = 53,303,314.32