Finding the Third Proportional to 8,317.69 and 12,152.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.69 : 12,152.53 = 12,152.53 : x
2. Step 2: Convert to fraction form
   8,317.69/12,152.53 = 12,152.53/x
3. Step 3: Cross multiply
   8,317.69x = 12,152.53 × 12,152.53
4. Step 4: Simplify right side
   8,317.69x = 147,684,015.78
5. Step 5: Solve for x
   x = 147,684,015.78/8,317.69
6. Step 6: Final answer
   x = 17,755.42