Finding the Third Proportional to 269,076.50 and 576,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,076.50 : 576,789.50 = 576,789.50 : x
2. Step 2: Convert to fraction form
   269,076.50/576,789.50 = 576,789.50/x
3. Step 3: Cross multiply
   269,076.50x = 576,789.50 × 576,789.50
4. Step 4: Simplify right side
   269,076.50x = 332,686,127,310.25
5. Step 5: Solve for x
   x = 332,686,127,310.25/269,076.50
6. Step 6: Final answer
   x = 1,236,399.79