Finding the Third Proportional to 2,729,854 and 4,281,945

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729,854 : 4,281,945 = 4,281,945 : x
2. Step 2: Convert to fraction form
   2,729,854/4,281,945 = 4,281,945/x
3. Step 3: Cross multiply
   2,729,854x = 4,281,945 × 4,281,945
4. Step 4: Simplify right side
   2,729,854x = 18,335,052,983,025
5. Step 5: Solve for x
   x = 18,335,052,983,025/2,729,854
6. Step 6: Final answer
   x = 6,716,495.82