Finding the Third Proportional to 109,921.50 and 239,526

Step by Step Solution

1. Step 1: Write the proportion equation
   109,921.50 : 239,526 = 239,526 : x
2. Step 2: Convert to fraction form
   109,921.50/239,526 = 239,526/x
3. Step 3: Cross multiply
   109,921.50x = 239,526 × 239,526
4. Step 4: Simplify right side
   109,921.50x = 57,372,704,676
5. Step 5: Solve for x
   x = 57,372,704,676/109,921.50
6. Step 6: Final answer
   x = 521,942.52