Finding the Third Proportional to 6,617.25 and 13,781.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,617.25 : 13,781.25 = 13,781.25 : x
2. Step 2: Convert to fraction form
   6,617.25/13,781.25 = 13,781.25/x
3. Step 3: Cross multiply
   6,617.25x = 13,781.25 × 13,781.25
4. Step 4: Simplify right side
   6,617.25x = 189,922,851.56
5. Step 5: Solve for x
   x = 189,922,851.56/6,617.25
6. Step 6: Final answer
   x = 28,701.18