Finding the Third Proportional to 1,279,708 and 2,800,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,708 : 2,800,472 = 2,800,472 : x
2. Step 2: Convert to fraction form
   1,279,708/2,800,472 = 2,800,472/x
3. Step 3: Cross multiply
   1,279,708x = 2,800,472 × 2,800,472
4. Step 4: Simplify right side
   1,279,708x = 7,842,643,422,784
5. Step 5: Solve for x
   x = 7,842,643,422,784/1,279,708
6. Step 6: Final answer
   x = 6,128,463.23