Finding the Third Proportional to 131,290.50 and 144,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,290.50 : 144,823.50 = 144,823.50 : x
2. Step 2: Convert to fraction form
   131,290.50/144,823.50 = 144,823.50/x
3. Step 3: Cross multiply
   131,290.50x = 144,823.50 × 144,823.50
4. Step 4: Simplify right side
   131,290.50x = 20,973,846,152.25
5. Step 5: Solve for x
   x = 20,973,846,152.25/131,290.50
6. Step 6: Final answer
   x = 159,751.44