Finding the Third Proportional to 228,101.50 and 333,485

Step by Step Solution

1. Step 1: Write the proportion equation
   228,101.50 : 333,485 = 333,485 : x
2. Step 2: Convert to fraction form
   228,101.50/333,485 = 333,485/x
3. Step 3: Cross multiply
   228,101.50x = 333,485 × 333,485
4. Step 4: Simplify right side
   228,101.50x = 111,212,245,225
5. Step 5: Solve for x
   x = 111,212,245,225/228,101.50
6. Step 6: Final answer
   x = 487,555.96