Finding the Third Proportional to 262,778.50 and 576,426

Step by Step Solution

1. Step 1: Write the proportion equation
   262,778.50 : 576,426 = 576,426 : x
2. Step 2: Convert to fraction form
   262,778.50/576,426 = 576,426/x
3. Step 3: Cross multiply
   262,778.50x = 576,426 × 576,426
4. Step 4: Simplify right side
   262,778.50x = 332,266,933,476
5. Step 5: Solve for x
   x = 332,266,933,476/262,778.50
6. Step 6: Final answer
   x = 1,264,437.29