Finding the Third Proportional to 154,992 and 238,320

Step by Step Solution

1. Step 1: Write the proportion equation
   154,992 : 238,320 = 238,320 : x
2. Step 2: Convert to fraction form
   154,992/238,320 = 238,320/x
3. Step 3: Cross multiply
   154,992x = 238,320 × 238,320
4. Step 4: Simplify right side
   154,992x = 56,796,422,400
5. Step 5: Solve for x
   x = 56,796,422,400/154,992
6. Step 6: Final answer
   x = 366,447.45