Finding the Third Proportional to 103,913 and 223,855

Step by Step Solution

1. Step 1: Write the proportion equation
   103,913 : 223,855 = 223,855 : x
2. Step 2: Convert to fraction form
   103,913/223,855 = 223,855/x
3. Step 3: Cross multiply
   103,913x = 223,855 × 223,855
4. Step 4: Simplify right side
   103,913x = 50,111,061,025
5. Step 5: Solve for x
   x = 50,111,061,025/103,913
6. Step 6: Final answer
   x = 482,240.54