Finding the Third Proportional to 7,451.50 and 12,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,451.50 : 12,273.50 = 12,273.50 : x
2. Step 2: Convert to fraction form
   7,451.50/12,273.50 = 12,273.50/x
3. Step 3: Cross multiply
   7,451.50x = 12,273.50 × 12,273.50
4. Step 4: Simplify right side
   7,451.50x = 150,638,802.25
5. Step 5: Solve for x
   x = 150,638,802.25/7,451.50
6. Step 6: Final answer
   x = 20,215.90