Finding the Third Proportional to 39,243.50 and 56,045

Step by Step Solution

1. Step 1: Write the proportion equation
   39,243.50 : 56,045 = 56,045 : x
2. Step 2: Convert to fraction form
   39,243.50/56,045 = 56,045/x
3. Step 3: Cross multiply
   39,243.50x = 56,045 × 56,045
4. Step 4: Simplify right side
   39,243.50x = 3,141,042,025
5. Step 5: Solve for x
   x = 3,141,042,025/39,243.50
6. Step 6: Final answer
   x = 80,039.80