Finding the Third Proportional to 105,540 and 222,013

Step by Step Solution

1. Step 1: Write the proportion equation
   105,540 : 222,013 = 222,013 : x
2. Step 2: Convert to fraction form
   105,540/222,013 = 222,013/x
3. Step 3: Cross multiply
   105,540x = 222,013 × 222,013
4. Step 4: Simplify right side
   105,540x = 49,289,772,169
5. Step 5: Solve for x
   x = 49,289,772,169/105,540
6. Step 6: Final answer
   x = 467,024.56