Finding the Third Proportional to 131,284.50 and 144,819

Step by Step Solution

1. Step 1: Write the proportion equation
   131,284.50 : 144,819 = 144,819 : x
2. Step 2: Convert to fraction form
   131,284.50/144,819 = 144,819/x
3. Step 3: Cross multiply
   131,284.50x = 144,819 × 144,819
4. Step 4: Simplify right side
   131,284.50x = 20,972,542,761
5. Step 5: Solve for x
   x = 20,972,542,761/131,284.50
6. Step 6: Final answer
   x = 159,748.81