Finding the Third Proportional to 1,278,965 and 2,798,635

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,965 : 2,798,635 = 2,798,635 : x
2. Step 2: Convert to fraction form
   1,278,965/2,798,635 = 2,798,635/x
3. Step 3: Cross multiply
   1,278,965x = 2,798,635 × 2,798,635
4. Step 4: Simplify right side
   1,278,965x = 7,832,357,863,225
5. Step 5: Solve for x
   x = 7,832,357,863,225/1,278,965
6. Step 6: Final answer
   x = 6,123,981.39