Finding the Third Proportional to 2,431,224 and 5,290,560

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,224 : 5,290,560 = 5,290,560 : x
2. Step 2: Convert to fraction form
   2,431,224/5,290,560 = 5,290,560/x
3. Step 3: Cross multiply
   2,431,224x = 5,290,560 × 5,290,560
4. Step 4: Simplify right side
   2,431,224x = 27,990,025,113,600
5. Step 5: Solve for x
   x = 27,990,025,113,600/2,431,224
6. Step 6: Final answer
   x = 11,512,729.85