Finding the Third Proportional to 2,486,317 and 3,509,419

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,317 : 3,509,419 = 3,509,419 : x
2. Step 2: Convert to fraction form
   2,486,317/3,509,419 = 3,509,419/x
3. Step 3: Cross multiply
   2,486,317x = 3,509,419 × 3,509,419
4. Step 4: Simplify right side
   2,486,317x = 12,316,021,717,561
5. Step 5: Solve for x
   x = 12,316,021,717,561/2,486,317
6. Step 6: Final answer
   x = 4,953,520.29