Finding the Third Proportional to 2,803,514 and 4,260,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803,514 : 4,260,678 = 4,260,678 : x
2. Step 2: Convert to fraction form
   2,803,514/4,260,678 = 4,260,678/x
3. Step 3: Cross multiply
   2,803,514x = 4,260,678 × 4,260,678
4. Step 4: Simplify right side
   2,803,514x = 18,153,377,019,684
5. Step 5: Solve for x
   x = 18,153,377,019,684/2,803,514
6. Step 6: Final answer
   x = 6,475,222.53