Finding the Third Proportional to 7,167 and 12,208.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,167 : 12,208.50 = 12,208.50 : x
2. Step 2: Convert to fraction form
   7,167/12,208.50 = 12,208.50/x
3. Step 3: Cross multiply
   7,167x = 12,208.50 × 12,208.50
4. Step 4: Simplify right side
   7,167x = 149,047,472.25
5. Step 5: Solve for x
   x = 149,047,472.25/7,167
6. Step 6: Final answer
   x = 20,796.35