Finding the Third Proportional to 103,688 and 223,916

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688 : 223,916 = 223,916 : x
2. Step 2: Convert to fraction form
   103,688/223,916 = 223,916/x
3. Step 3: Cross multiply
   103,688x = 223,916 × 223,916
4. Step 4: Simplify right side
   103,688x = 50,138,375,056
5. Step 5: Solve for x
   x = 50,138,375,056/103,688
6. Step 6: Final answer
   x = 483,550.41