Finding the Third Proportional to 1,236,872 and 2,660,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,872 : 2,660,724 = 2,660,724 : x
2. Step 2: Convert to fraction form
   1,236,872/2,660,724 = 2,660,724/x
3. Step 3: Cross multiply
   1,236,872x = 2,660,724 × 2,660,724
4. Step 4: Simplify right side
   1,236,872x = 7,079,452,204,176
5. Step 5: Solve for x
   x = 7,079,452,204,176/1,236,872
6. Step 6: Final answer
   x = 5,723,674.08