Finding the Third Proportional to 2,676,866 and 4,078,036

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676,866 : 4,078,036 = 4,078,036 : x
2. Step 2: Convert to fraction form
   2,676,866/4,078,036 = 4,078,036/x
3. Step 3: Cross multiply
   2,676,866x = 4,078,036 × 4,078,036
4. Step 4: Simplify right side
   2,676,866x = 16,630,377,617,296
5. Step 5: Solve for x
   x = 16,630,377,617,296/2,676,866
6. Step 6: Final answer
   x = 6,212,629.85