Finding the Third Proportional to 8,970 and 13,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,970 : 13,105.50 = 13,105.50 : x
2. Step 2: Convert to fraction form
   8,970/13,105.50 = 13,105.50/x
3. Step 3: Cross multiply
   8,970x = 13,105.50 × 13,105.50
4. Step 4: Simplify right side
   8,970x = 171,754,130.25
5. Step 5: Solve for x
   x = 171,754,130.25/8,970
6. Step 6: Final answer
   x = 19,147.62