Finding the Third Proportional to 862,986 and 1,891,860

Step by Step Solution

1. Step 1: Write the proportion equation
   862,986 : 1,891,860 = 1,891,860 : x
2. Step 2: Convert to fraction form
   862,986/1,891,860 = 1,891,860/x
3. Step 3: Cross multiply
   862,986x = 1,891,860 × 1,891,860
4. Step 4: Simplify right side
   862,986x = 3,579,134,259,600
5. Step 5: Solve for x
   x = 3,579,134,259,600/862,986
6. Step 6: Final answer
   x = 4,147,383.92