Finding the Third Proportional to 144,368 and 216,333

Step by Step Solution

1. Step 1: Write the proportion equation
   144,368 : 216,333 = 216,333 : x
2. Step 2: Convert to fraction form
   144,368/216,333 = 216,333/x
3. Step 3: Cross multiply
   144,368x = 216,333 × 216,333
4. Step 4: Simplify right side
   144,368x = 46,799,966,889
5. Step 5: Solve for x
   x = 46,799,966,889/144,368
6. Step 6: Final answer
   x = 324,171.33