Finding the Third Proportional to 72,349.50 and 150,243

Step by Step Solution

1. Step 1: Write the proportion equation
   72,349.50 : 150,243 = 150,243 : x
2. Step 2: Convert to fraction form
   72,349.50/150,243 = 150,243/x
3. Step 3: Cross multiply
   72,349.50x = 150,243 × 150,243
4. Step 4: Simplify right side
   72,349.50x = 22,572,959,049
5. Step 5: Solve for x
   x = 22,572,959,049/72,349.50
6. Step 6: Final answer
   x = 311,998.83