Finding the Third Proportional to 18,302.06 and 39,960.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,302.06 : 39,960.56 = 39,960.56 : x
2. Step 2: Convert to fraction form
   18,302.06/39,960.56 = 39,960.56/x
3. Step 3: Cross multiply
   18,302.06x = 39,960.56 × 39,960.56
4. Step 4: Simplify right side
   18,302.06x = 1,596,846,555.32
5. Step 5: Solve for x
   x = 1,596,846,555.32/18,302.06
6. Step 6: Final answer
   x = 87,249.54