Finding the Third Proportional to 111,768 and 240,960

Step by Step Solution

1. Step 1: Write the proportion equation
   111,768 : 240,960 = 240,960 : x
2. Step 2: Convert to fraction form
   111,768/240,960 = 240,960/x
3. Step 3: Cross multiply
   111,768x = 240,960 × 240,960
4. Step 4: Simplify right side
   111,768x = 58,061,721,600
5. Step 5: Solve for x
   x = 58,061,721,600/111,768
6. Step 6: Final answer
   x = 519,484.30