Finding the Third Proportional to 262,871 and 574,390

Step by Step Solution

1. Step 1: Write the proportion equation
   262,871 : 574,390 = 574,390 : x
2. Step 2: Convert to fraction form
   262,871/574,390 = 574,390/x
3. Step 3: Cross multiply
   262,871x = 574,390 × 574,390
4. Step 4: Simplify right side
   262,871x = 329,923,872,100
5. Step 5: Solve for x
   x = 329,923,872,100/262,871
6. Step 6: Final answer
   x = 1,255,079.00