Finding the Third Proportional to 143,883 and 217,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,883 : 217,849.50 = 217,849.50 : x
2. Step 2: Convert to fraction form
   143,883/217,849.50 = 217,849.50/x
3. Step 3: Cross multiply
   143,883x = 217,849.50 × 217,849.50
4. Step 4: Simplify right side
   143,883x = 47,458,404,650.25
5. Step 5: Solve for x
   x = 47,458,404,650.25/143,883
6. Step 6: Final answer
   x = 329,840.25