Finding the Third Proportional to 2,488,851 and 5,318,874

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,851 : 5,318,874 = 5,318,874 : x
2. Step 2: Convert to fraction form
   2,488,851/5,318,874 = 5,318,874/x
3. Step 3: Cross multiply
   2,488,851x = 5,318,874 × 5,318,874
4. Step 4: Simplify right side
   2,488,851x = 28,290,420,627,876
5. Step 5: Solve for x
   x = 28,290,420,627,876/2,488,851
6. Step 6: Final answer
   x = 11,366,859.90