Finding the Third Proportional to 9,726 and 21,026

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726 : 21,026 = 21,026 : x
2. Step 2: Convert to fraction form
   9,726/21,026 = 21,026/x
3. Step 3: Cross multiply
   9,726x = 21,026 × 21,026
4. Step 4: Simplify right side
   9,726x = 442,092,676
5. Step 5: Solve for x
   x = 442,092,676/9,726
6. Step 6: Final answer
   x = 45,454.73