Finding the Third Proportional to 20,786 and 43,049

Step by Step Solution

1. Step 1: Write the proportion equation
   20,786 : 43,049 = 43,049 : x
2. Step 2: Convert to fraction form
   20,786/43,049 = 43,049/x
3. Step 3: Cross multiply
   20,786x = 43,049 × 43,049
4. Step 4: Simplify right side
   20,786x = 1,853,216,401
5. Step 5: Solve for x
   x = 1,853,216,401/20,786
6. Step 6: Final answer
   x = 89,156.95