Finding the Third Proportional to 3,280,419 and 4,617,499

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280,419 : 4,617,499 = 4,617,499 : x
2. Step 2: Convert to fraction form
   3,280,419/4,617,499 = 4,617,499/x
3. Step 3: Cross multiply
   3,280,419x = 4,617,499 × 4,617,499
4. Step 4: Simplify right side
   3,280,419x = 21,321,297,015,001
5. Step 5: Solve for x
   x = 21,321,297,015,001/3,280,419
6. Step 6: Final answer
   x = 6,499,565.15