Finding the Third Proportional to 10,685.25 and 15,936.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.25 : 15,936.75 = 15,936.75 : x
2. Step 2: Convert to fraction form
   10,685.25/15,936.75 = 15,936.75/x
3. Step 3: Cross multiply
   10,685.25x = 15,936.75 × 15,936.75
4. Step 4: Simplify right side
   10,685.25x = 253,980,000.56
5. Step 5: Solve for x
   x = 253,980,000.56/10,685.25
6. Step 6: Final answer
   x = 23,769.21