Finding the Third Proportional to 111,569 and 245,282

Step by Step Solution

1. Step 1: Write the proportion equation
   111,569 : 245,282 = 245,282 : x
2. Step 2: Convert to fraction form
   111,569/245,282 = 245,282/x
3. Step 3: Cross multiply
   111,569x = 245,282 × 245,282
4. Step 4: Simplify right side
   111,569x = 60,163,259,524
5. Step 5: Solve for x
   x = 60,163,259,524/111,569
6. Step 6: Final answer
   x = 539,247.10