Finding the Third Proportional to 72,343.50 and 150,231

Step by Step Solution

1. Step 1: Write the proportion equation
   72,343.50 : 150,231 = 150,231 : x
2. Step 2: Convert to fraction form
   72,343.50/150,231 = 150,231/x
3. Step 3: Cross multiply
   72,343.50x = 150,231 × 150,231
4. Step 4: Simplify right side
   72,343.50x = 22,569,353,361
5. Step 5: Solve for x
   x = 22,569,353,361/72,343.50
6. Step 6: Final answer
   x = 311,974.86