Finding the Third Proportional to 2,431,366 and 5,290,843

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,366 : 5,290,843 = 5,290,843 : x
2. Step 2: Convert to fraction form
   2,431,366/5,290,843 = 5,290,843/x
3. Step 3: Cross multiply
   2,431,366x = 5,290,843 × 5,290,843
4. Step 4: Simplify right side
   2,431,366x = 27,993,019,650,649
5. Step 5: Solve for x
   x = 27,993,019,650,649/2,431,366
6. Step 6: Final answer
   x = 11,513,289.09