Finding the Third Proportional to 2,758,291 and 4,281,778

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758,291 : 4,281,778 = 4,281,778 : x
2. Step 2: Convert to fraction form
   2,758,291/4,281,778 = 4,281,778/x
3. Step 3: Cross multiply
   2,758,291x = 4,281,778 × 4,281,778
4. Step 4: Simplify right side
   2,758,291x = 18,333,622,841,284
5. Step 5: Solve for x
   x = 18,333,622,841,284/2,758,291
6. Step 6: Final answer
   x = 6,646,732.65