Finding the Third Proportional to 8,709.75 and 12,314.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.75 : 12,314.25 = 12,314.25 : x
2. Step 2: Convert to fraction form
   8,709.75/12,314.25 = 12,314.25/x
3. Step 3: Cross multiply
   8,709.75x = 12,314.25 × 12,314.25
4. Step 4: Simplify right side
   8,709.75x = 151,640,753.06
5. Step 5: Solve for x
   x = 151,640,753.06/8,709.75
6. Step 6: Final answer
   x = 17,410.46