Finding the Third Proportional to 20,401.50 and 28,727.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,401.50 : 28,727.25 = 28,727.25 : x
2. Step 2: Convert to fraction form
   20,401.50/28,727.25 = 28,727.25/x
3. Step 3: Cross multiply
   20,401.50x = 28,727.25 × 28,727.25
4. Step 4: Simplify right side
   20,401.50x = 825,254,892.56
5. Step 5: Solve for x
   x = 825,254,892.56/20,401.50
6. Step 6: Final answer
   x = 40,450.70