Finding the Third Proportional to 154,216 and 238,326

Step by Step Solution

1. Step 1: Write the proportion equation
   154,216 : 238,326 = 238,326 : x
2. Step 2: Convert to fraction form
   154,216/238,326 = 238,326/x
3. Step 3: Cross multiply
   154,216x = 238,326 × 238,326
4. Step 4: Simplify right side
   154,216x = 56,799,282,276
5. Step 5: Solve for x
   x = 56,799,282,276/154,216
6. Step 6: Final answer
   x = 368,309.92