Finding the Third Proportional to 3,456,858 and 4,979,739

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456,858 : 4,979,739 = 4,979,739 : x
2. Step 2: Convert to fraction form
   3,456,858/4,979,739 = 4,979,739/x
3. Step 3: Cross multiply
   3,456,858x = 4,979,739 × 4,979,739
4. Step 4: Simplify right side
   3,456,858x = 24,797,800,508,121
5. Step 5: Solve for x
   x = 24,797,800,508,121/3,456,858
6. Step 6: Final answer
   x = 7,173,508.58