Finding the Third Proportional to 2,840,458 and 3,995,294

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840,458 : 3,995,294 = 3,995,294 : x
2. Step 2: Convert to fraction form
   2,840,458/3,995,294 = 3,995,294/x
3. Step 3: Cross multiply
   2,840,458x = 3,995,294 × 3,995,294
4. Step 4: Simplify right side
   2,840,458x = 15,962,374,146,436
5. Step 5: Solve for x
   x = 15,962,374,146,436/2,840,458
6. Step 6: Final answer
   x = 5,619,648.01