Finding the Third Proportional to 2,431,418 and 5,628,299

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,418 : 5,628,299 = 5,628,299 : x
2. Step 2: Convert to fraction form
   2,431,418/5,628,299 = 5,628,299/x
3. Step 3: Cross multiply
   2,431,418x = 5,628,299 × 5,628,299
4. Step 4: Simplify right side
   2,431,418x = 31,677,749,633,401
5. Step 5: Solve for x
   x = 31,677,749,633,401/2,431,418
6. Step 6: Final answer
   x = 13,028,508.32