Finding the Third Proportional to 869,744 and 1,383,672

Step by Step Solution

1. Step 1: Write the proportion equation
   869,744 : 1,383,672 = 1,383,672 : x
2. Step 2: Convert to fraction form
   869,744/1,383,672 = 1,383,672/x
3. Step 3: Cross multiply
   869,744x = 1,383,672 × 1,383,672
4. Step 4: Simplify right side
   869,744x = 1,914,548,203,584
5. Step 5: Solve for x
   x = 1,914,548,203,584/869,744
6. Step 6: Final answer
   x = 2,201,277.85