Finding the Third Proportional to 105,717 and 144,967

Step by Step Solution

1. Step 1: Write the proportion equation
   105,717 : 144,967 = 144,967 : x
2. Step 2: Convert to fraction form
   105,717/144,967 = 144,967/x
3. Step 3: Cross multiply
   105,717x = 144,967 × 144,967
4. Step 4: Simplify right side
   105,717x = 21,015,431,089
5. Step 5: Solve for x
   x = 21,015,431,089/105,717
6. Step 6: Final answer
   x = 198,789.51