Finding the Third Proportional to 1,279,768 and 2,800,592

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,768 : 2,800,592 = 2,800,592 : x
2. Step 2: Convert to fraction form
   1,279,768/2,800,592 = 2,800,592/x
3. Step 3: Cross multiply
   1,279,768x = 2,800,592 × 2,800,592
4. Step 4: Simplify right side
   1,279,768x = 7,843,315,550,464
5. Step 5: Solve for x
   x = 7,843,315,550,464/1,279,768
6. Step 6: Final answer
   x = 6,128,701.10