Finding the Third Proportional to 30,163.88 and 39,665.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,163.88 : 39,665.81 = 39,665.81 : x
2. Step 2: Convert to fraction form
   30,163.88/39,665.81 = 39,665.81/x
3. Step 3: Cross multiply
   30,163.88x = 39,665.81 × 39,665.81
4. Step 4: Simplify right side
   30,163.88x = 1,573,376,681.29
5. Step 5: Solve for x
   x = 1,573,376,681.29/30,163.88
6. Step 6: Final answer
   x = 52,160.96