Finding the Third Proportional to 9,315.50 and 20,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,315.50 : 20,273.50 = 20,273.50 : x
2. Step 2: Convert to fraction form
   9,315.50/20,273.50 = 20,273.50/x
3. Step 3: Cross multiply
   9,315.50x = 20,273.50 × 20,273.50
4. Step 4: Simplify right side
   9,315.50x = 411,014,802.25
5. Step 5: Solve for x
   x = 411,014,802.25/9,315.50
6. Step 6: Final answer
   x = 44,121.60