Finding the Third Proportional to 1,279,746 and 2,800,548

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,746 : 2,800,548 = 2,800,548 : x
2. Step 2: Convert to fraction form
   1,279,746/2,800,548 = 2,800,548/x
3. Step 3: Cross multiply
   1,279,746x = 2,800,548 × 2,800,548
4. Step 4: Simplify right side
   1,279,746x = 7,843,069,100,304
5. Step 5: Solve for x
   x = 7,843,069,100,304/1,279,746
6. Step 6: Final answer
   x = 6,128,613.88