Finding the Third Proportional to 9,756 and 21,049

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756 : 21,049 = 21,049 : x
2. Step 2: Convert to fraction form
   9,756/21,049 = 21,049/x
3. Step 3: Cross multiply
   9,756x = 21,049 × 21,049
4. Step 4: Simplify right side
   9,756x = 443,060,401
5. Step 5: Solve for x
   x = 443,060,401/9,756
6. Step 6: Final answer
   x = 45,414.15