Finding the Third Proportional to 2,479,824 and 5,257,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,824 : 5,257,240 = 5,257,240 : x
2. Step 2: Convert to fraction form
   2,479,824/5,257,240 = 5,257,240/x
3. Step 3: Cross multiply
   2,479,824x = 5,257,240 × 5,257,240
4. Step 4: Simplify right side
   2,479,824x = 27,638,572,417,600
5. Step 5: Solve for x
   x = 27,638,572,417,600/2,479,824
6. Step 6: Final answer
   x = 11,145,376.61