Finding the Third Proportional to 15,504.75 and 21,826.13

Step by Step Solution

1. Step 1: Write the proportion equation
   15,504.75 : 21,826.13 = 21,826.13 : x
2. Step 2: Convert to fraction form
   15,504.75/21,826.13 = 21,826.13/x
3. Step 3: Cross multiply
   15,504.75x = 21,826.13 × 21,826.13
4. Step 4: Simplify right side
   15,504.75x = 476,379,732.52
5. Step 5: Solve for x
   x = 476,379,732.52/15,504.75
6. Step 6: Final answer
   x = 30,724.76