Finding the Third Proportional to 1,079,790 and 2,499,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079,790 : 2,499,780 = 2,499,780 : x
2. Step 2: Convert to fraction form
   1,079,790/2,499,780 = 2,499,780/x
3. Step 3: Cross multiply
   1,079,790x = 2,499,780 × 2,499,780
4. Step 4: Simplify right side
   1,079,790x = 6,248,900,048,400
5. Step 5: Solve for x
   x = 6,248,900,048,400/1,079,790
6. Step 6: Final answer
   x = 5,787,143.84