Finding the Third Proportional to 2,408,640 and 3,280,715

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408,640 : 3,280,715 = 3,280,715 : x
2. Step 2: Convert to fraction form
   2,408,640/3,280,715 = 3,280,715/x
3. Step 3: Cross multiply
   2,408,640x = 3,280,715 × 3,280,715
4. Step 4: Simplify right side
   2,408,640x = 10,763,090,911,225
5. Step 5: Solve for x
   x = 10,763,090,911,225/2,408,640
6. Step 6: Final answer
   x = 4,468,534.49