Finding the Third Proportional to 5,729,648 and 12,435,760

Step by Step Solution

1. Step 1: Write the proportion equation
   5,729,648 : 12,435,760 = 12,435,760 : x
2. Step 2: Convert to fraction form
   5,729,648/12,435,760 = 12,435,760/x
3. Step 3: Cross multiply
   5,729,648x = 12,435,760 × 12,435,760
4. Step 4: Simplify right side
   5,729,648x = 154,648,126,777,600
5. Step 5: Solve for x
   x = 154,648,126,777,600/5,729,648
6. Step 6: Final answer
   x = 26,990,859.96