Finding the Third Proportional to 21,748.50 and 24,927.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,748.50 : 24,927.75 = 24,927.75 : x
2. Step 2: Convert to fraction form
   21,748.50/24,927.75 = 24,927.75/x
3. Step 3: Cross multiply
   21,748.50x = 24,927.75 × 24,927.75
4. Step 4: Simplify right side
   21,748.50x = 621,392,720.06
5. Step 5: Solve for x
   x = 621,392,720.06/21,748.50
6. Step 6: Final answer
   x = 28,571.75