Finding the Third Proportional to 262,608 and 576,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,608 : 576,058.50 = 576,058.50 : x
2. Step 2: Convert to fraction form
   262,608/576,058.50 = 576,058.50/x
3. Step 3: Cross multiply
   262,608x = 576,058.50 × 576,058.50
4. Step 4: Simplify right side
   262,608x = 331,843,395,422.25
5. Step 5: Solve for x
   x = 331,843,395,422.25/262,608
6. Step 6: Final answer
   x = 1,263,645.42