Finding the Third Proportional to 557,442 and 1,086,852

Step by Step Solution

1. Step 1: Write the proportion equation
   557,442 : 1,086,852 = 1,086,852 : x
2. Step 2: Convert to fraction form
   557,442/1,086,852 = 1,086,852/x
3. Step 3: Cross multiply
   557,442x = 1,086,852 × 1,086,852
4. Step 4: Simplify right side
   557,442x = 1,181,247,269,904
5. Step 5: Solve for x
   x = 1,181,247,269,904/557,442
6. Step 6: Final answer
   x = 2,119,049.64