Finding the Third Proportional to 111,118.50 and 244,485

Step by Step Solution

1. Step 1: Write the proportion equation
   111,118.50 : 244,485 = 244,485 : x
2. Step 2: Convert to fraction form
   111,118.50/244,485 = 244,485/x
3. Step 3: Cross multiply
   111,118.50x = 244,485 × 244,485
4. Step 4: Simplify right side
   111,118.50x = 59,772,915,225
5. Step 5: Solve for x
   x = 59,772,915,225/111,118.50
6. Step 6: Final answer
   x = 537,920.47