Finding the Third Proportional to 110,992 and 239,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,992 : 239,718.50 = 239,718.50 : x
2. Step 2: Convert to fraction form
   110,992/239,718.50 = 239,718.50/x
3. Step 3: Cross multiply
   110,992x = 239,718.50 × 239,718.50
4. Step 4: Simplify right side
   110,992x = 57,464,959,242.25
5. Step 5: Solve for x
   x = 57,464,959,242.25/110,992
6. Step 6: Final answer
   x = 517,739.65