Finding the Third Proportional to 103,553 and 222,210

Step by Step Solution

1. Step 1: Write the proportion equation
   103,553 : 222,210 = 222,210 : x
2. Step 2: Convert to fraction form
   103,553/222,210 = 222,210/x
3. Step 3: Cross multiply
   103,553x = 222,210 × 222,210
4. Step 4: Simplify right side
   103,553x = 49,377,284,100
5. Step 5: Solve for x
   x = 49,377,284,100/103,553
6. Step 6: Final answer
   x = 476,831.03