Finding the Third Proportional to 8,671.69 and 13,008.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,671.69 : 13,008.75 = 13,008.75 : x
2. Step 2: Convert to fraction form
   8,671.69/13,008.75 = 13,008.75/x
3. Step 3: Cross multiply
   8,671.69x = 13,008.75 × 13,008.75
4. Step 4: Simplify right side
   8,671.69x = 169,227,576.56
5. Step 5: Solve for x
   x = 169,227,576.56/8,671.69
6. Step 6: Final answer
   x = 19,514.95