Finding the Third Proportional to 262,899 and 572,766

Step by Step Solution

1. Step 1: Write the proportion equation
   262,899 : 572,766 = 572,766 : x
2. Step 2: Convert to fraction form
   262,899/572,766 = 572,766/x
3. Step 3: Cross multiply
   262,899x = 572,766 × 572,766
4. Step 4: Simplify right side
   262,899x = 328,060,890,756
5. Step 5: Solve for x
   x = 328,060,890,756/262,899
6. Step 6: Final answer
   x = 1,247,859.03