Finding the Third Proportional to 222,870 and 325,770

Step by Step Solution

1. Step 1: Write the proportion equation
   222,870 : 325,770 = 325,770 : x
2. Step 2: Convert to fraction form
   222,870/325,770 = 325,770/x
3. Step 3: Cross multiply
   222,870x = 325,770 × 325,770
4. Step 4: Simplify right side
   222,870x = 106,126,092,900
5. Step 5: Solve for x
   x = 106,126,092,900/222,870
6. Step 6: Final answer
   x = 476,179.36