Finding the Third Proportional to 143,484 and 196,962

Step by Step Solution

1. Step 1: Write the proportion equation
   143,484 : 196,962 = 196,962 : x
2. Step 2: Convert to fraction form
   143,484/196,962 = 196,962/x
3. Step 3: Cross multiply
   143,484x = 196,962 × 196,962
4. Step 4: Simplify right side
   143,484x = 38,794,029,444
5. Step 5: Solve for x
   x = 38,794,029,444/143,484
6. Step 6: Final answer
   x = 270,371.81