Finding the Third Proportional to 144,081 and 231,499

Step by Step Solution

1. Step 1: Write the proportion equation
   144,081 : 231,499 = 231,499 : x
2. Step 2: Convert to fraction form
   144,081/231,499 = 231,499/x
3. Step 3: Cross multiply
   144,081x = 231,499 × 231,499
4. Step 4: Simplify right side
   144,081x = 53,591,787,001
5. Step 5: Solve for x
   x = 53,591,787,001/144,081
6. Step 6: Final answer
   x = 371,955.96