Finding the Third Proportional to 72,345.50 and 150,235

Step by Step Solution

1. Step 1: Write the proportion equation
   72,345.50 : 150,235 = 150,235 : x
2. Step 2: Convert to fraction form
   72,345.50/150,235 = 150,235/x
3. Step 3: Cross multiply
   72,345.50x = 150,235 × 150,235
4. Step 4: Simplify right side
   72,345.50x = 22,570,555,225
5. Step 5: Solve for x
   x = 22,570,555,225/72,345.50
6. Step 6: Final answer
   x = 311,982.85