Finding the Third Proportional to 8,964.50 and 13,158.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,964.50 : 13,158.75 = 13,158.75 : x
2. Step 2: Convert to fraction form
   8,964.50/13,158.75 = 13,158.75/x
3. Step 3: Cross multiply
   8,964.50x = 13,158.75 × 13,158.75
4. Step 4: Simplify right side
   8,964.50x = 173,152,701.56
5. Step 5: Solve for x
   x = 173,152,701.56/8,964.50
6. Step 6: Final answer
   x = 19,315.38