Finding the Third Proportional to 2,408,790 and 5,237,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408,790 : 5,237,480 = 5,237,480 : x
2. Step 2: Convert to fraction form
   2,408,790/5,237,480 = 5,237,480/x
3. Step 3: Cross multiply
   2,408,790x = 5,237,480 × 5,237,480
4. Step 4: Simplify right side
   2,408,790x = 27,431,196,750,400
5. Step 5: Solve for x
   x = 27,431,196,750,400/2,408,790
6. Step 6: Final answer
   x = 11,387,956.92