Finding the Third Proportional to 222,111.75 and 324,837.38

Step by Step Solution

1. Step 1: Write the proportion equation
   222,111.75 : 324,837.38 = 324,837.38 : x
2. Step 2: Convert to fraction form
   222,111.75/324,837.38 = 324,837.38/x
3. Step 3: Cross multiply
   222,111.75x = 324,837.38 × 324,837.38
4. Step 4: Simplify right side
   222,111.75x = 105,519,320,196.89
5. Step 5: Solve for x
   x = 105,519,320,196.89/222,111.75
6. Step 6: Final answer
   x = 475,073.11