Finding the Third Proportional to 111,836 and 223,591

Step by Step Solution

1. Step 1: Write the proportion equation
   111,836 : 223,591 = 223,591 : x
2. Step 2: Convert to fraction form
   111,836/223,591 = 223,591/x
3. Step 3: Cross multiply
   111,836x = 223,591 × 223,591
4. Step 4: Simplify right side
   111,836x = 49,992,935,281
5. Step 5: Solve for x
   x = 49,992,935,281/111,836
6. Step 6: Final answer
   x = 447,020.06