Finding the Third Proportional to 8,863 and 13,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863 : 13,047.50 = 13,047.50 : x
2. Step 2: Convert to fraction form
   8,863/13,047.50 = 13,047.50/x
3. Step 3: Cross multiply
   8,863x = 13,047.50 × 13,047.50
4. Step 4: Simplify right side
   8,863x = 170,237,256.25
5. Step 5: Solve for x
   x = 170,237,256.25/8,863
6. Step 6: Final answer
   x = 19,207.63