Finding the Third Proportional to 489,714 and 1,023,708

Step by Step Solution

1. Step 1: Write the proportion equation
   489,714 : 1,023,708 = 1,023,708 : x
2. Step 2: Convert to fraction form
   489,714/1,023,708 = 1,023,708/x
3. Step 3: Cross multiply
   489,714x = 1,023,708 × 1,023,708
4. Step 4: Simplify right side
   489,714x = 1,047,978,069,264
5. Step 5: Solve for x
   x = 1,047,978,069,264/489,714
6. Step 6: Final answer
   x = 2,139,979.80