Finding the Third Proportional to 222,956 and 488,164

Step by Step Solution

1. Step 1: Write the proportion equation
   222,956 : 488,164 = 488,164 : x
2. Step 2: Convert to fraction form
   222,956/488,164 = 488,164/x
3. Step 3: Cross multiply
   222,956x = 488,164 × 488,164
4. Step 4: Simplify right side
   222,956x = 238,304,090,896
5. Step 5: Solve for x
   x = 238,304,090,896/222,956
6. Step 6: Final answer
   x = 1,068,839.10