Finding the Third Proportional to 1,279,799 and 2,800,653

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,799 : 2,800,653 = 2,800,653 : x
2. Step 2: Convert to fraction form
   1,279,799/2,800,653 = 2,800,653/x
3. Step 3: Cross multiply
   1,279,799x = 2,800,653 × 2,800,653
4. Step 4: Simplify right side
   1,279,799x = 7,843,657,226,409
5. Step 5: Solve for x
   x = 7,843,657,226,409/1,279,799
6. Step 6: Final answer
   x = 6,128,819.62