Finding the Third Proportional to 111,836 and 240,355

Step by Step Solution

1. Step 1: Write the proportion equation
   111,836 : 240,355 = 240,355 : x
2. Step 2: Convert to fraction form
   111,836/240,355 = 240,355/x
3. Step 3: Cross multiply
   111,836x = 240,355 × 240,355
4. Step 4: Simplify right side
   111,836x = 57,770,526,025
5. Step 5: Solve for x
   x = 57,770,526,025/111,836
6. Step 6: Final answer
   x = 516,564.67