Finding the Third Proportional to 9,723 and 21,310

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723 : 21,310 = 21,310 : x
2. Step 2: Convert to fraction form
   9,723/21,310 = 21,310/x
3. Step 3: Cross multiply
   9,723x = 21,310 × 21,310
4. Step 4: Simplify right side
   9,723x = 454,116,100
5. Step 5: Solve for x
   x = 454,116,100/9,723
6. Step 6: Final answer
   x = 46,705.35