Finding the Third Proportional to 2,605,618 and 4,026,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,618 : 4,026,540 = 4,026,540 : x
2. Step 2: Convert to fraction form
   2,605,618/4,026,540 = 4,026,540/x
3. Step 3: Cross multiply
   2,605,618x = 4,026,540 × 4,026,540
4. Step 4: Simplify right side
   2,605,618x = 16,213,024,371,600
5. Step 5: Solve for x
   x = 16,213,024,371,600/2,605,618
6. Step 6: Final answer
   x = 6,222,333.58