Finding the Third Proportional to 109,979 and 235,510

Step by Step Solution

1. Step 1: Write the proportion equation
   109,979 : 235,510 = 235,510 : x
2. Step 2: Convert to fraction form
   109,979/235,510 = 235,510/x
3. Step 3: Cross multiply
   109,979x = 235,510 × 235,510
4. Step 4: Simplify right side
   109,979x = 55,464,960,100
5. Step 5: Solve for x
   x = 55,464,960,100/109,979
6. Step 6: Final answer
   x = 504,323.19