Finding the Third Proportional to 2,479,828 and 5,257,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,828 : 5,257,248 = 5,257,248 : x
2. Step 2: Convert to fraction form
   2,479,828/5,257,248 = 5,257,248/x
3. Step 3: Cross multiply
   2,479,828x = 5,257,248 × 5,257,248
4. Step 4: Simplify right side
   2,479,828x = 27,638,656,533,504
5. Step 5: Solve for x
   x = 27,638,656,533,504/2,479,828
6. Step 6: Final answer
   x = 11,145,392.56