Finding the Third Proportional to 1,279,797 and 2,800,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,797 : 2,800,648.50 = 2,800,648.50 : x
2. Step 2: Convert to fraction form
   1,279,797/2,800,648.50 = 2,800,648.50/x
3. Step 3: Cross multiply
   1,279,797x = 2,800,648.50 × 2,800,648.50
4. Step 4: Simplify right side
   1,279,797x = 7,843,632,020,552.25
5. Step 5: Solve for x
   x = 7,843,632,020,552.25/1,279,797
6. Step 6: Final answer
   x = 6,128,809.51