Finding the Third Proportional to 862,978 and 1,891,844

Step by Step Solution

1. Step 1: Write the proportion equation
   862,978 : 1,891,844 = 1,891,844 : x
2. Step 2: Convert to fraction form
   862,978/1,891,844 = 1,891,844/x
3. Step 3: Cross multiply
   862,978x = 1,891,844 × 1,891,844
4. Step 4: Simplify right side
   862,978x = 3,579,073,720,336
5. Step 5: Solve for x
   x = 3,579,073,720,336/862,978
6. Step 6: Final answer
   x = 4,147,352.22