Finding the Third Proportional to 1,279,517 and 2,716,474

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,517 : 2,716,474 = 2,716,474 : x
2. Step 2: Convert to fraction form
   1,279,517/2,716,474 = 2,716,474/x
3. Step 3: Cross multiply
   1,279,517x = 2,716,474 × 2,716,474
4. Step 4: Simplify right side
   1,279,517x = 7,379,230,992,676
5. Step 5: Solve for x
   x = 7,379,230,992,676/1,279,517
6. Step 6: Final answer
   x = 5,767,200.43