Finding the Third Proportional to 8,554.50 and 13,704.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,554.50 : 13,704.75 = 13,704.75 : x
2. Step 2: Convert to fraction form
   8,554.50/13,704.75 = 13,704.75/x
3. Step 3: Cross multiply
   8,554.50x = 13,704.75 × 13,704.75
4. Step 4: Simplify right side
   8,554.50x = 187,820,172.56
5. Step 5: Solve for x
   x = 187,820,172.56/8,554.50
6. Step 6: Final answer
   x = 21,955.72