Finding the Third Proportional to 262,940 and 574,510

Step by Step Solution

1. Step 1: Write the proportion equation
   262,940 : 574,510 = 574,510 : x
2. Step 2: Convert to fraction form
   262,940/574,510 = 574,510/x
3. Step 3: Cross multiply
   262,940x = 574,510 × 574,510
4. Step 4: Simplify right side
   262,940x = 330,061,740,100
5. Step 5: Solve for x
   x = 330,061,740,100/262,940
6. Step 6: Final answer
   x = 1,255,273.98