Finding the Third Proportional to 103,887 and 222,174

Step by Step Solution

1. Step 1: Write the proportion equation
   103,887 : 222,174 = 222,174 : x
2. Step 2: Convert to fraction form
   103,887/222,174 = 222,174/x
3. Step 3: Cross multiply
   103,887x = 222,174 × 222,174
4. Step 4: Simplify right side
   103,887x = 49,361,286,276
5. Step 5: Solve for x
   x = 49,361,286,276/103,887
6. Step 6: Final answer
   x = 475,144.01