Finding the Third Proportional to 154,817.25 and 239,271

Step by Step Solution

1. Step 1: Write the proportion equation
   154,817.25 : 239,271 = 239,271 : x
2. Step 2: Convert to fraction form
   154,817.25/239,271 = 239,271/x
3. Step 3: Cross multiply
   154,817.25x = 239,271 × 239,271
4. Step 4: Simplify right side
   154,817.25x = 57,250,611,441
5. Step 5: Solve for x
   x = 57,250,611,441/154,817.25
6. Step 6: Final answer
   x = 369,794.78