Finding the Third Proportional to 2,540,028 and 3,620,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,028 : 3,620,856 = 3,620,856 : x
2. Step 2: Convert to fraction form
   2,540,028/3,620,856 = 3,620,856/x
3. Step 3: Cross multiply
   2,540,028x = 3,620,856 × 3,620,856
4. Step 4: Simplify right side
   2,540,028x = 13,110,598,172,736
5. Step 5: Solve for x
   x = 13,110,598,172,736/2,540,028
6. Step 6: Final answer
   x = 5,161,595.92