Finding the Third Proportional to 39,270.38 and 85,871.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,270.38 : 85,871.25 = 85,871.25 : x
2. Step 2: Convert to fraction form
   39,270.38/85,871.25 = 85,871.25/x
3. Step 3: Cross multiply
   39,270.38x = 85,871.25 × 85,871.25
4. Step 4: Simplify right side
   39,270.38x = 7,373,871,576.56
5. Step 5: Solve for x
   x = 7,373,871,576.56/39,270.38
6. Step 6: Final answer
   x = 187,771.87