Finding the Third Proportional to 2,431,374 and 5,290,860

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,374 : 5,290,860 = 5,290,860 : x
2. Step 2: Convert to fraction form
   2,431,374/5,290,860 = 5,290,860/x
3. Step 3: Cross multiply
   2,431,374x = 5,290,860 × 5,290,860
4. Step 4: Simplify right side
   2,431,374x = 27,993,199,539,600
5. Step 5: Solve for x
   x = 27,993,199,539,600/2,431,374
6. Step 6: Final answer
   x = 11,513,325.20