Finding the Third Proportional to 489,712 and 1,023,704

Step by Step Solution

1. Step 1: Write the proportion equation
   489,712 : 1,023,704 = 1,023,704 : x
2. Step 2: Convert to fraction form
   489,712/1,023,704 = 1,023,704/x
3. Step 3: Cross multiply
   489,712x = 1,023,704 × 1,023,704
4. Step 4: Simplify right side
   489,712x = 1,047,969,879,616
5. Step 5: Solve for x
   x = 1,047,969,879,616/489,712
6. Step 6: Final answer
   x = 2,139,971.82