Finding the Third Proportional to 4,125.94 and 8,397.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,125.94 : 8,397.42 = 8,397.42 : x
2. Step 2: Convert to fraction form
   4,125.94/8,397.42 = 8,397.42/x
3. Step 3: Cross multiply
   4,125.94x = 8,397.42 × 8,397.42
4. Step 4: Simplify right side
   4,125.94x = 70,516,694.15
5. Step 5: Solve for x
   x = 70,516,694.15/4,125.94
6. Step 6: Final answer
   x = 17,091.07