Finding the Third Proportional to 103,660 and 222,061

Step by Step Solution

1. Step 1: Write the proportion equation
   103,660 : 222,061 = 222,061 : x
2. Step 2: Convert to fraction form
   103,660/222,061 = 222,061/x
3. Step 3: Cross multiply
   103,660x = 222,061 × 222,061
4. Step 4: Simplify right side
   103,660x = 49,311,087,721
5. Step 5: Solve for x
   x = 49,311,087,721/103,660
6. Step 6: Final answer
   x = 475,700.25