Finding the Third Proportional to 489,453 and 1,005,258

Step by Step Solution

1. Step 1: Write the proportion equation
   489,453 : 1,005,258 = 1,005,258 : x
2. Step 2: Convert to fraction form
   489,453/1,005,258 = 1,005,258/x
3. Step 3: Cross multiply
   489,453x = 1,005,258 × 1,005,258
4. Step 4: Simplify right side
   489,453x = 1,010,543,646,564
5. Step 5: Solve for x
   x = 1,010,543,646,564/489,453
6. Step 6: Final answer
   x = 2,064,638.78