Finding the Third Proportional to 105,191 and 143,713

Step by Step Solution

1. Step 1: Write the proportion equation
   105,191 : 143,713 = 143,713 : x
2. Step 2: Convert to fraction form
   105,191/143,713 = 143,713/x
3. Step 3: Cross multiply
   105,191x = 143,713 × 143,713
4. Step 4: Simplify right side
   105,191x = 20,653,426,369
5. Step 5: Solve for x
   x = 20,653,426,369/105,191
6. Step 6: Final answer
   x = 196,342.14