Finding the Third Proportional to 1,040,515 and 2,279,865

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040,515 : 2,279,865 = 2,279,865 : x
2. Step 2: Convert to fraction form
   1,040,515/2,279,865 = 2,279,865/x
3. Step 3: Cross multiply
   1,040,515x = 2,279,865 × 2,279,865
4. Step 4: Simplify right side
   1,040,515x = 5,197,784,418,225
5. Step 5: Solve for x
   x = 5,197,784,418,225/1,040,515
6. Step 6: Final answer
   x = 4,995,395.95