Finding the Third Proportional to 39,087.56 and 85,323.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,087.56 : 85,323.38 = 85,323.38 : x
2. Step 2: Convert to fraction form
   39,087.56/85,323.38 = 85,323.38/x
3. Step 3: Cross multiply
   39,087.56x = 85,323.38 × 85,323.38
4. Step 4: Simplify right side
   39,087.56x = 7,280,078,321.39
5. Step 5: Solve for x
   x = 7,280,078,321.39/39,087.56
6. Step 6: Final answer
   x = 186,250.51