Finding the Third Proportional to 144,048 and 218,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,048 : 218,059.50 = 218,059.50 : x
2. Step 2: Convert to fraction form
   144,048/218,059.50 = 218,059.50/x
3. Step 3: Cross multiply
   144,048x = 218,059.50 × 218,059.50
4. Step 4: Simplify right side
   144,048x = 47,549,945,540.25
5. Step 5: Solve for x
   x = 47,549,945,540.25/144,048
6. Step 6: Final answer
   x = 330,097.92