Finding the Third Proportional to 105,081 and 144,498

Step by Step Solution

1. Step 1: Write the proportion equation
   105,081 : 144,498 = 144,498 : x
2. Step 2: Convert to fraction form
   105,081/144,498 = 144,498/x
3. Step 3: Cross multiply
   105,081x = 144,498 × 144,498
4. Step 4: Simplify right side
   105,081x = 20,879,672,004
5. Step 5: Solve for x
   x = 20,879,672,004/105,081
6. Step 6: Final answer
   x = 198,700.74