Finding the Third Proportional to 17,721 and 23,645.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721 : 23,645.25 = 23,645.25 : x
2. Step 2: Convert to fraction form
   17,721/23,645.25 = 23,645.25/x
3. Step 3: Cross multiply
   17,721x = 23,645.25 × 23,645.25
4. Step 4: Simplify right side
   17,721x = 559,097,847.56
5. Step 5: Solve for x
   x = 559,097,847.56/17,721
6. Step 6: Final answer
   x = 31,550.02