Finding the Third Proportional to 2,605,918 and 3,986,376

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,918 : 3,986,376 = 3,986,376 : x
2. Step 2: Convert to fraction form
   2,605,918/3,986,376 = 3,986,376/x
3. Step 3: Cross multiply
   2,605,918x = 3,986,376 × 3,986,376
4. Step 4: Simplify right side
   2,605,918x = 15,891,193,613,376
5. Step 5: Solve for x
   x = 15,891,193,613,376/2,605,918
6. Step 6: Final answer
   x = 6,098,117.29