Finding the Third Proportional to 557,783 and 1,148,578

Step by Step Solution

1. Step 1: Write the proportion equation
   557,783 : 1,148,578 = 1,148,578 : x
2. Step 2: Convert to fraction form
   557,783/1,148,578 = 1,148,578/x
3. Step 3: Cross multiply
   557,783x = 1,148,578 × 1,148,578
4. Step 4: Simplify right side
   557,783x = 1,319,231,422,084
5. Step 5: Solve for x
   x = 1,319,231,422,084/557,783
6. Step 6: Final answer
   x = 2,365,133.79