Finding the Third Proportional to 111,684.75 and 240,864.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,684.75 : 240,864.38 = 240,864.38 : x
2. Step 2: Convert to fraction form
   111,684.75/240,864.38 = 240,864.38/x
3. Step 3: Cross multiply
   111,684.75x = 240,864.38 × 240,864.38
4. Step 4: Simplify right side
   111,684.75x = 58,015,647,144.14
5. Step 5: Solve for x
   x = 58,015,647,144.14/111,684.75
6. Step 6: Final answer
   x = 519,458.99