Finding the Third Proportional to 1,279,198 and 2,798,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,198 : 2,798,738 = 2,798,738 : x
2. Step 2: Convert to fraction form
   1,279,198/2,798,738 = 2,798,738/x
3. Step 3: Cross multiply
   1,279,198x = 2,798,738 × 2,798,738
4. Step 4: Simplify right side
   1,279,198x = 7,832,934,392,644
5. Step 5: Solve for x
   x = 7,832,934,392,644/1,279,198
6. Step 6: Final answer
   x = 6,123,316.63