Finding the Third Proportional to 2,454,678 and 5,079,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454,678 : 5,079,786 = 5,079,786 : x
2. Step 2: Convert to fraction form
   2,454,678/5,079,786 = 5,079,786/x
3. Step 3: Cross multiply
   2,454,678x = 5,079,786 × 5,079,786
4. Step 4: Simplify right side
   2,454,678x = 25,804,225,805,796
5. Step 5: Solve for x
   x = 25,804,225,805,796/2,454,678
6. Step 6: Final answer
   x = 10,512,265.07