Finding the Third Proportional to 108,904 and 222,416

Step by Step Solution

1. Step 1: Write the proportion equation
   108,904 : 222,416 = 222,416 : x
2. Step 2: Convert to fraction form
   108,904/222,416 = 222,416/x
3. Step 3: Cross multiply
   108,904x = 222,416 × 222,416
4. Step 4: Simplify right side
   108,904x = 49,468,877,056
5. Step 5: Solve for x
   x = 49,468,877,056/108,904
6. Step 6: Final answer
   x = 454,242.98