Finding the Third Proportional to 144,405 and 223,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,405 : 223,168.50 = 223,168.50 : x
2. Step 2: Convert to fraction form
   144,405/223,168.50 = 223,168.50/x
3. Step 3: Cross multiply
   144,405x = 223,168.50 × 223,168.50
4. Step 4: Simplify right side
   144,405x = 49,804,179,392.25
5. Step 5: Solve for x
   x = 49,804,179,392.25/144,405
6. Step 6: Final answer
   x = 344,892.35