Finding the Third Proportional to 39,651.75 and 56,993.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,651.75 : 56,993.63 = 56,993.63 : x
2. Step 2: Convert to fraction form
   39,651.75/56,993.63 = 56,993.63/x
3. Step 3: Cross multiply
   39,651.75x = 56,993.63 × 56,993.63
4. Step 4: Simplify right side
   39,651.75x = 3,248,273,290.64
5. Step 5: Solve for x
   x = 3,248,273,290.64/39,651.75
6. Step 6: Final answer
   x = 81,920.05