Finding the Third Proportional to 489,434 and 1,005,218

Step by Step Solution

1. Step 1: Write the proportion equation
   489,434 : 1,005,218 = 1,005,218 : x
2. Step 2: Convert to fraction form
   489,434/1,005,218 = 1,005,218/x
3. Step 3: Cross multiply
   489,434x = 1,005,218 × 1,005,218
4. Step 4: Simplify right side
   489,434x = 1,010,463,227,524
5. Step 5: Solve for x
   x = 1,010,463,227,524/489,434
6. Step 6: Final answer
   x = 2,064,554.62