Finding the Third Proportional to 489,436 and 1,005,222

Step by Step Solution

1. Step 1: Write the proportion equation
   489,436 : 1,005,222 = 1,005,222 : x
2. Step 2: Convert to fraction form
   489,436/1,005,222 = 1,005,222/x
3. Step 3: Cross multiply
   489,436x = 1,005,222 × 1,005,222
4. Step 4: Simplify right side
   489,436x = 1,010,471,269,284
5. Step 5: Solve for x
   x = 1,010,471,269,284/489,436
6. Step 6: Final answer
   x = 2,064,562.62