Finding the Third Proportional to 1,227,311 and 2,625,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,311 : 2,625,189 = 2,625,189 : x
2. Step 2: Convert to fraction form
   1,227,311/2,625,189 = 2,625,189/x
3. Step 3: Cross multiply
   1,227,311x = 2,625,189 × 2,625,189
4. Step 4: Simplify right side
   1,227,311x = 6,891,617,285,721
5. Step 5: Solve for x
   x = 6,891,617,285,721/1,227,311
6. Step 6: Final answer
   x = 5,615,216.75