Finding the Third Proportional to 101,910 and 222,330

Step by Step Solution

1. Step 1: Write the proportion equation
   101,910 : 222,330 = 222,330 : x
2. Step 2: Convert to fraction form
   101,910/222,330 = 222,330/x
3. Step 3: Cross multiply
   101,910x = 222,330 × 222,330
4. Step 4: Simplify right side
   101,910x = 49,430,628,900
5. Step 5: Solve for x
   x = 49,430,628,900/101,910
6. Step 6: Final answer
   x = 485,041.99