Finding the Third Proportional to 485,890 and 1,002,896

Step by Step Solution

1. Step 1: Write the proportion equation
   485,890 : 1,002,896 = 1,002,896 : x
2. Step 2: Convert to fraction form
   485,890/1,002,896 = 1,002,896/x
3. Step 3: Cross multiply
   485,890x = 1,002,896 × 1,002,896
4. Step 4: Simplify right side
   485,890x = 1,005,800,386,816
5. Step 5: Solve for x
   x = 1,005,800,386,816/485,890
6. Step 6: Final answer
   x = 2,070,016.64