Finding the Third Proportional to 2,701,800 and 4,278,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,701,800 : 4,278,216 = 4,278,216 : x
2. Step 2: Convert to fraction form
   2,701,800/4,278,216 = 4,278,216/x
3. Step 3: Cross multiply
   2,701,800x = 4,278,216 × 4,278,216
4. Step 4: Simplify right side
   2,701,800x = 18,303,132,142,656
5. Step 5: Solve for x
   x = 18,303,132,142,656/2,701,800
6. Step 6: Final answer
   x = 6,774,421.55