Finding the Third Proportional to 228,100 and 333,222

Step by Step Solution

1. Step 1: Write the proportion equation
   228,100 : 333,222 = 333,222 : x
2. Step 2: Convert to fraction form
   228,100/333,222 = 333,222/x
3. Step 3: Cross multiply
   228,100x = 333,222 × 333,222
4. Step 4: Simplify right side
   228,100x = 111,036,901,284
5. Step 5: Solve for x
   x = 111,036,901,284/228,100
6. Step 6: Final answer
   x = 486,790.45