Finding the Third Proportional to 144,984 and 216,801

Step by Step Solution

1. Step 1: Write the proportion equation
   144,984 : 216,801 = 216,801 : x
2. Step 2: Convert to fraction form
   144,984/216,801 = 216,801/x
3. Step 3: Cross multiply
   144,984x = 216,801 × 216,801
4. Step 4: Simplify right side
   144,984x = 47,002,673,601
5. Step 5: Solve for x
   x = 47,002,673,601/144,984
6. Step 6: Final answer
   x = 324,192.14