Finding the Third Proportional to 101,930 and 223,540

Step by Step Solution

1. Step 1: Write the proportion equation
   101,930 : 223,540 = 223,540 : x
2. Step 2: Convert to fraction form
   101,930/223,540 = 223,540/x
3. Step 3: Cross multiply
   101,930x = 223,540 × 223,540
4. Step 4: Simplify right side
   101,930x = 49,970,131,600
5. Step 5: Solve for x
   x = 49,970,131,600/101,930
6. Step 6: Final answer
   x = 490,239.69