Finding the Third Proportional to 10,921.25 and 16,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921.25 : 16,700.25 = 16,700.25 : x
2. Step 2: Convert to fraction form
   10,921.25/16,700.25 = 16,700.25/x
3. Step 3: Cross multiply
   10,921.25x = 16,700.25 × 16,700.25
4. Step 4: Simplify right side
   10,921.25x = 278,898,350.06
5. Step 5: Solve for x
   x = 278,898,350.06/10,921.25
6. Step 6: Final answer
   x = 25,537.22