Finding the Third Proportional to 21,505.50 and 24,991.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,505.50 : 24,991.03 = 24,991.03 : x
2. Step 2: Convert to fraction form
   21,505.50/24,991.03 = 24,991.03/x
3. Step 3: Cross multiply
   21,505.50x = 24,991.03 × 24,991.03
4. Step 4: Simplify right side
   21,505.50x = 624,551,642.94
5. Step 5: Solve for x
   x = 624,551,642.94/21,505.50
6. Step 6: Final answer
   x = 29,041.48