Finding the Third Proportional to 1,288,828 and 2,825,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,828 : 2,825,540 = 2,825,540 : x
2. Step 2: Convert to fraction form
   1,288,828/2,825,540 = 2,825,540/x
3. Step 3: Cross multiply
   1,288,828x = 2,825,540 × 2,825,540
4. Step 4: Simplify right side
   1,288,828x = 7,983,676,291,600
5. Step 5: Solve for x
   x = 7,983,676,291,600/1,288,828
6. Step 6: Final answer
   x = 6,194,524.24