Finding the Third Proportional to 3,454,289 and 5,418,084

Step by Step Solution

1. Step 1: Write the proportion equation
   3,454,289 : 5,418,084 = 5,418,084 : x
2. Step 2: Convert to fraction form
   3,454,289/5,418,084 = 5,418,084/x
3. Step 3: Cross multiply
   3,454,289x = 5,418,084 × 5,418,084
4. Step 4: Simplify right side
   3,454,289x = 29,355,634,231,056
5. Step 5: Solve for x
   x = 29,355,634,231,056/3,454,289
6. Step 6: Final answer
   x = 8,498,314.48