Finding the Third Proportional to 9,756 and 21,176

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756 : 21,176 = 21,176 : x
2. Step 2: Convert to fraction form
   9,756/21,176 = 21,176/x
3. Step 3: Cross multiply
   9,756x = 21,176 × 21,176
4. Step 4: Simplify right side
   9,756x = 448,422,976
5. Step 5: Solve for x
   x = 448,422,976/9,756
6. Step 6: Final answer
   x = 45,963.81