Finding the Third Proportional to 489,716 and 1,023,712

Step by Step Solution

1. Step 1: Write the proportion equation
   489,716 : 1,023,712 = 1,023,712 : x
2. Step 2: Convert to fraction form
   489,716/1,023,712 = 1,023,712/x
3. Step 3: Cross multiply
   489,716x = 1,023,712 × 1,023,712
4. Step 4: Simplify right side
   489,716x = 1,047,986,258,944
5. Step 5: Solve for x
   x = 1,047,986,258,944/489,716
6. Step 6: Final answer
   x = 2,139,987.79