Finding the Third Proportional to 262,776.50 and 576,422

Step by Step Solution

1. Step 1: Write the proportion equation
   262,776.50 : 576,422 = 576,422 : x
2. Step 2: Convert to fraction form
   262,776.50/576,422 = 576,422/x
3. Step 3: Cross multiply
   262,776.50x = 576,422 × 576,422
4. Step 4: Simplify right side
   262,776.50x = 332,262,322,084
5. Step 5: Solve for x
   x = 332,262,322,084/262,776.50
6. Step 6: Final answer
   x = 1,264,429.36