Finding the Third Proportional to 5,722,872 and 12,439,732

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722,872 : 12,439,732 = 12,439,732 : x
2. Step 2: Convert to fraction form
   5,722,872/12,439,732 = 12,439,732/x
3. Step 3: Cross multiply
   5,722,872x = 12,439,732 × 12,439,732
4. Step 4: Simplify right side
   5,722,872x = 154,746,932,231,824
5. Step 5: Solve for x
   x = 154,746,932,231,824/5,722,872
6. Step 6: Final answer
   x = 27,040,082.71