Finding the Third Proportional to 147,448.50 and 222,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,448.50 : 222,391.50 = 222,391.50 : x
2. Step 2: Convert to fraction form
   147,448.50/222,391.50 = 222,391.50/x
3. Step 3: Cross multiply
   147,448.50x = 222,391.50 × 222,391.50
4. Step 4: Simplify right side
   147,448.50x = 49,457,979,272.25
5. Step 5: Solve for x
   x = 49,457,979,272.25/147,448.50
6. Step 6: Final answer
   x = 335,425.45