Finding the Third Proportional to 103,913.50 and 223,721

Step by Step Solution

1. Step 1: Write the proportion equation
   103,913.50 : 223,721 = 223,721 : x
2. Step 2: Convert to fraction form
   103,913.50/223,721 = 223,721/x
3. Step 3: Cross multiply
   103,913.50x = 223,721 × 223,721
4. Step 4: Simplify right side
   103,913.50x = 50,051,085,841
5. Step 5: Solve for x
   x = 50,051,085,841/103,913.50
6. Step 6: Final answer
   x = 481,661.05