Finding the Third Proportional to 108,869.25 and 222,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,869.25 : 222,111.75 = 222,111.75 : x
2. Step 2: Convert to fraction form
   108,869.25/222,111.75 = 222,111.75/x
3. Step 3: Cross multiply
   108,869.25x = 222,111.75 × 222,111.75
4. Step 4: Simplify right side
   108,869.25x = 49,333,629,488.06
5. Step 5: Solve for x
   x = 49,333,629,488.06/108,869.25
6. Step 6: Final answer
   x = 453,145.67