Finding the Third Proportional to 111,224 and 239,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,224 : 239,943.50 = 239,943.50 : x
2. Step 2: Convert to fraction form
   111,224/239,943.50 = 239,943.50/x
3. Step 3: Cross multiply
   111,224x = 239,943.50 × 239,943.50
4. Step 4: Simplify right side
   111,224x = 57,572,883,192.25
5. Step 5: Solve for x
   x = 57,572,883,192.25/111,224
6. Step 6: Final answer
   x = 517,630.04