Finding the Third Proportional to 144,053 and 218,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,053 : 218,067.50 = 218,067.50 : x
2. Step 2: Convert to fraction form
   144,053/218,067.50 = 218,067.50/x
3. Step 3: Cross multiply
   144,053x = 218,067.50 × 218,067.50
4. Step 4: Simplify right side
   144,053x = 47,553,434,556.25
5. Step 5: Solve for x
   x = 47,553,434,556.25/144,053
6. Step 6: Final answer
   x = 330,110.69