Finding the Third Proportional to 2,408,940 and 5,349,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408,940 : 5,349,312 = 5,349,312 : x
2. Step 2: Convert to fraction form
   2,408,940/5,349,312 = 5,349,312/x
3. Step 3: Cross multiply
   2,408,940x = 5,349,312 × 5,349,312
4. Step 4: Simplify right side
   2,408,940x = 28,615,138,873,344
5. Step 5: Solve for x
   x = 28,615,138,873,344/2,408,940
6. Step 6: Final answer
   x = 11,878,726.28