Finding the Third Proportional to 2,138,659 and 4,454,295

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,659 : 4,454,295 = 4,454,295 : x
2. Step 2: Convert to fraction form
   2,138,659/4,454,295 = 4,454,295/x
3. Step 3: Cross multiply
   2,138,659x = 4,454,295 × 4,454,295
4. Step 4: Simplify right side
   2,138,659x = 19,840,743,947,025
5. Step 5: Solve for x
   x = 19,840,743,947,025/2,138,659
6. Step 6: Final answer
   x = 9,277,189.09