Finding the Third Proportional to 143,002 and 214,227

Step by Step Solution

1. Step 1: Write the proportion equation
   143,002 : 214,227 = 214,227 : x
2. Step 2: Convert to fraction form
   143,002/214,227 = 214,227/x
3. Step 3: Cross multiply
   143,002x = 214,227 × 214,227
4. Step 4: Simplify right side
   143,002x = 45,893,207,529
5. Step 5: Solve for x
   x = 45,893,207,529/143,002
6. Step 6: Final answer
   x = 320,927.03