Finding the Third Proportional to 7,969.50 and 12,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,969.50 : 12,658.50 = 12,658.50 : x
2. Step 2: Convert to fraction form
   7,969.50/12,658.50 = 12,658.50/x
3. Step 3: Cross multiply
   7,969.50x = 12,658.50 × 12,658.50
4. Step 4: Simplify right side
   7,969.50x = 160,237,622.25
5. Step 5: Solve for x
   x = 160,237,622.25/7,969.50
6. Step 6: Final answer
   x = 20,106.36