Finding the Third Proportional to 2,572,028 and 5,586,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,028 : 5,586,856 = 5,586,856 : x
2. Step 2: Convert to fraction form
   2,572,028/5,586,856 = 5,586,856/x
3. Step 3: Cross multiply
   2,572,028x = 5,586,856 × 5,586,856
4. Step 4: Simplify right side
   2,572,028x = 31,212,959,964,736
5. Step 5: Solve for x
   x = 31,212,959,964,736/2,572,028
6. Step 6: Final answer
   x = 12,135,544.39