Finding the Third Proportional to 154,836 and 239,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,836 : 239,301.50 = 239,301.50 : x
2. Step 2: Convert to fraction form
   154,836/239,301.50 = 239,301.50/x
3. Step 3: Cross multiply
   154,836x = 239,301.50 × 239,301.50
4. Step 4: Simplify right side
   154,836x = 57,265,207,902.25
5. Step 5: Solve for x
   x = 57,265,207,902.25/154,836
6. Step 6: Final answer
   x = 369,844.27