Finding the Third Proportional to 262,780.50 and 576,429

Step by Step Solution

1. Step 1: Write the proportion equation
   262,780.50 : 576,429 = 576,429 : x
2. Step 2: Convert to fraction form
   262,780.50/576,429 = 576,429/x
3. Step 3: Cross multiply
   262,780.50x = 576,429 × 576,429
4. Step 4: Simplify right side
   262,780.50x = 332,270,392,041
5. Step 5: Solve for x
   x = 332,270,392,041/262,780.50
6. Step 6: Final answer
   x = 1,264,440.82