Finding the Third Proportional to 258,785.25 and 565,548

Step by Step Solution

1. Step 1: Write the proportion equation
   258,785.25 : 565,548 = 565,548 : x
2. Step 2: Convert to fraction form
   258,785.25/565,548 = 565,548/x
3. Step 3: Cross multiply
   258,785.25x = 565,548 × 565,548
4. Step 4: Simplify right side
   258,785.25x = 319,844,540,304
5. Step 5: Solve for x
   x = 319,844,540,304/258,785.25
6. Step 6: Final answer
   x = 1,235,945.79