Finding the Third Proportional to 7,725.38 and 10,170.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,725.38 : 10,170.56 = 10,170.56 : x
2. Step 2: Convert to fraction form
   7,725.38/10,170.56 = 10,170.56/x
3. Step 3: Cross multiply
   7,725.38x = 10,170.56 × 10,170.56
4. Step 4: Simplify right side
   7,725.38x = 103,440,341.57
5. Step 5: Solve for x
   x = 103,440,341.57/7,725.38
6. Step 6: Final answer
   x = 13,389.69