Finding the Third Proportional to 8,317.69 and 12,895.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.69 : 12,895.03 = 12,895.03 : x
2. Step 2: Convert to fraction form
   8,317.69/12,895.03 = 12,895.03/x
3. Step 3: Cross multiply
   8,317.69x = 12,895.03 × 12,895.03
4. Step 4: Simplify right side
   8,317.69x = 166,281,830.94
5. Step 5: Solve for x
   x = 166,281,830.94/8,317.69
6. Step 6: Final answer
   x = 19,991.35