Finding the Third Proportional to 111,357 and 240,282

Step by Step Solution

1. Step 1: Write the proportion equation
   111,357 : 240,282 = 240,282 : x
2. Step 2: Convert to fraction form
   111,357/240,282 = 240,282/x
3. Step 3: Cross multiply
   111,357x = 240,282 × 240,282
4. Step 4: Simplify right side
   111,357x = 57,735,439,524
5. Step 5: Solve for x
   x = 57,735,439,524/111,357
6. Step 6: Final answer
   x = 518,471.58