Finding the Third Proportional to 862,992 and 1,891,872

Step by Step Solution

1. Step 1: Write the proportion equation
   862,992 : 1,891,872 = 1,891,872 : x
2. Step 2: Convert to fraction form
   862,992/1,891,872 = 1,891,872/x
3. Step 3: Cross multiply
   862,992x = 1,891,872 × 1,891,872
4. Step 4: Simplify right side
   862,992x = 3,579,179,664,384
5. Step 5: Solve for x
   x = 3,579,179,664,384/862,992
6. Step 6: Final answer
   x = 4,147,407.70