Finding the Third Proportional to 226,815 and 333,661

Step by Step Solution

1. Step 1: Write the proportion equation
   226,815 : 333,661 = 333,661 : x
2. Step 2: Convert to fraction form
   226,815/333,661 = 333,661/x
3. Step 3: Cross multiply
   226,815x = 333,661 × 333,661
4. Step 4: Simplify right side
   226,815x = 111,329,662,921
5. Step 5: Solve for x
   x = 111,329,662,921/226,815
6. Step 6: Final answer
   x = 490,839.07