Finding the Third Proportional to 9,673 and 12,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,673 : 12,965.50 = 12,965.50 : x
2. Step 2: Convert to fraction form
   9,673/12,965.50 = 12,965.50/x
3. Step 3: Cross multiply
   9,673x = 12,965.50 × 12,965.50
4. Step 4: Simplify right side
   9,673x = 168,104,190.25
5. Step 5: Solve for x
   x = 168,104,190.25/9,673
6. Step 6: Final answer
   x = 17,378.70