Finding the Third Proportional to 2,558,408 and 5,631,952

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,408 : 5,631,952 = 5,631,952 : x
2. Step 2: Convert to fraction form
   2,558,408/5,631,952 = 5,631,952/x
3. Step 3: Cross multiply
   2,558,408x = 5,631,952 × 5,631,952
4. Step 4: Simplify right side
   2,558,408x = 31,718,883,330,304
5. Step 5: Solve for x
   x = 31,718,883,330,304/2,558,408
6. Step 6: Final answer
   x = 12,397,898.74