Finding the Third Proportional to 20,686 and 30,875

Step by Step Solution

1. Step 1: Write the proportion equation
   20,686 : 30,875 = 30,875 : x
2. Step 2: Convert to fraction form
   20,686/30,875 = 30,875/x
3. Step 3: Cross multiply
   20,686x = 30,875 × 30,875
4. Step 4: Simplify right side
   20,686x = 953,265,625
5. Step 5: Solve for x
   x = 953,265,625/20,686
6. Step 6: Final answer
   x = 46,082.65