Finding the Third Proportional to 20,688.75 and 27,965.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,688.75 : 27,965.25 = 27,965.25 : x
2. Step 2: Convert to fraction form
   20,688.75/27,965.25 = 27,965.25/x
3. Step 3: Cross multiply
   20,688.75x = 27,965.25 × 27,965.25
4. Step 4: Simplify right side
   20,688.75x = 782,055,207.56
5. Step 5: Solve for x
   x = 782,055,207.56/20,688.75
6. Step 6: Final answer
   x = 37,800.99