Finding the Third Proportional to 3,747.16 and 8,248.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.16 : 8,248.59 = 8,248.59 : x
2. Step 2: Convert to fraction form
   3,747.16/8,248.59 = 8,248.59/x
3. Step 3: Cross multiply
   3,747.16x = 8,248.59 × 8,248.59
4. Step 4: Simplify right side
   3,747.16x = 68,039,274.69
5. Step 5: Solve for x
   x = 68,039,274.69/3,747.16
6. Step 6: Final answer
   x = 18,157.56