Finding the Third Proportional to 111,502 and 238,268

Step by Step Solution

1. Step 1: Write the proportion equation
   111,502 : 238,268 = 238,268 : x
2. Step 2: Convert to fraction form
   111,502/238,268 = 238,268/x
3. Step 3: Cross multiply
   111,502x = 238,268 × 238,268
4. Step 4: Simplify right side
   111,502x = 56,771,639,824
5. Step 5: Solve for x
   x = 56,771,639,824/111,502
6. Step 6: Final answer
   x = 509,153.56