Finding the Third Proportional to 557,042 and 1,189,250

Step by Step Solution

1. Step 1: Write the proportion equation
   557,042 : 1,189,250 = 1,189,250 : x
2. Step 2: Convert to fraction form
   557,042/1,189,250 = 1,189,250/x
3. Step 3: Cross multiply
   557,042x = 1,189,250 × 1,189,250
4. Step 4: Simplify right side
   557,042x = 1,414,315,562,500
5. Step 5: Solve for x
   x = 1,414,315,562,500/557,042
6. Step 6: Final answer
   x = 2,538,974.73