Finding the Third Proportional to 144,136.50 and 223,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,136.50 : 223,945.50 = 223,945.50 : x
2. Step 2: Convert to fraction form
   144,136.50/223,945.50 = 223,945.50/x
3. Step 3: Cross multiply
   144,136.50x = 223,945.50 × 223,945.50
4. Step 4: Simplify right side
   144,136.50x = 50,151,586,970.25
5. Step 5: Solve for x
   x = 50,151,586,970.25/144,136.50
6. Step 6: Final answer
   x = 347,945.09