Finding the Third Proportional to 105,714 and 143,991

Step by Step Solution

1. Step 1: Write the proportion equation
   105,714 : 143,991 = 143,991 : x
2. Step 2: Convert to fraction form
   105,714/143,991 = 143,991/x
3. Step 3: Cross multiply
   105,714x = 143,991 × 143,991
4. Step 4: Simplify right side
   105,714x = 20,733,408,081
5. Step 5: Solve for x
   x = 20,733,408,081/105,714
6. Step 6: Final answer
   x = 196,127.36