Finding the Third Proportional to 10,250 and 20,875

Step by Step Solution

1. Step 1: Write the proportion equation
   10,250 : 20,875 = 20,875 : x
2. Step 2: Convert to fraction form
   10,250/20,875 = 20,875/x
3. Step 3: Cross multiply
   10,250x = 20,875 × 20,875
4. Step 4: Simplify right side
   10,250x = 435,765,625
5. Step 5: Solve for x
   x = 435,765,625/10,250
6. Step 6: Final answer
   x = 42,513.72