Finding the Third Proportional to 21,168 and 23,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,168 : 23,320.50 = 23,320.50 : x
2. Step 2: Convert to fraction form
   21,168/23,320.50 = 23,320.50/x
3. Step 3: Cross multiply
   21,168x = 23,320.50 × 23,320.50
4. Step 4: Simplify right side
   21,168x = 543,845,720.25
5. Step 5: Solve for x
   x = 543,845,720.25/21,168
6. Step 6: Final answer
   x = 25,691.88