Finding the Third Proportional to 854,442 and 2,016,990

Step by Step Solution

1. Step 1: Write the proportion equation
   854,442 : 2,016,990 = 2,016,990 : x
2. Step 2: Convert to fraction form
   854,442/2,016,990 = 2,016,990/x
3. Step 3: Cross multiply
   854,442x = 2,016,990 × 2,016,990
4. Step 4: Simplify right side
   854,442x = 4,068,248,660,100
5. Step 5: Solve for x
   x = 4,068,248,660,100/854,442
6. Step 6: Final answer
   x = 4,761,292.94