Finding the Third Proportional to 143,184 and 218,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,184 : 218,542.50 = 218,542.50 : x
2. Step 2: Convert to fraction form
   143,184/218,542.50 = 218,542.50/x
3. Step 3: Cross multiply
   143,184x = 218,542.50 × 218,542.50
4. Step 4: Simplify right side
   143,184x = 47,760,824,306.25
5. Step 5: Solve for x
   x = 47,760,824,306.25/143,184
6. Step 6: Final answer
   x = 333,562.58