Finding the Third Proportional to 109,215.75 and 233,616

Step by Step Solution

1. Step 1: Write the proportion equation
   109,215.75 : 233,616 = 233,616 : x
2. Step 2: Convert to fraction form
   109,215.75/233,616 = 233,616/x
3. Step 3: Cross multiply
   109,215.75x = 233,616 × 233,616
4. Step 4: Simplify right side
   109,215.75x = 54,576,435,456
5. Step 5: Solve for x
   x = 54,576,435,456/109,215.75
6. Step 6: Final answer
   x = 499,712.13