Finding the Third Proportional to 132,853.50 and 143,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,853.50 : 143,788.50 = 143,788.50 : x
2. Step 2: Convert to fraction form
   132,853.50/143,788.50 = 143,788.50/x
3. Step 3: Cross multiply
   132,853.50x = 143,788.50 × 143,788.50
4. Step 4: Simplify right side
   132,853.50x = 20,675,132,732.25
5. Step 5: Solve for x
   x = 20,675,132,732.25/132,853.50
6. Step 6: Final answer
   x = 155,623.55