Finding the Third Proportional to 112,338 and 238,530

Step by Step Solution

1. Step 1: Write the proportion equation
   112,338 : 238,530 = 238,530 : x
2. Step 2: Convert to fraction form
   112,338/238,530 = 238,530/x
3. Step 3: Cross multiply
   112,338x = 238,530 × 238,530
4. Step 4: Simplify right side
   112,338x = 56,896,560,900
5. Step 5: Solve for x
   x = 56,896,560,900/112,338
6. Step 6: Final answer
   x = 506,476.53