Finding the Third Proportional to 222,066 and 488,416

Step by Step Solution

1. Step 1: Write the proportion equation
   222,066 : 488,416 = 488,416 : x
2. Step 2: Convert to fraction form
   222,066/488,416 = 488,416/x
3. Step 3: Cross multiply
   222,066x = 488,416 × 488,416
4. Step 4: Simplify right side
   222,066x = 238,550,189,056
5. Step 5: Solve for x
   x = 238,550,189,056/222,066
6. Step 6: Final answer
   x = 1,074,231.04