Finding the Third Proportional to 39,065.25 and 55,313.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,065.25 : 55,313.25 = 55,313.25 : x
2. Step 2: Convert to fraction form
   39,065.25/55,313.25 = 55,313.25/x
3. Step 3: Cross multiply
   39,065.25x = 55,313.25 × 55,313.25
4. Step 4: Simplify right side
   39,065.25x = 3,059,555,625.56
5. Step 5: Solve for x
   x = 3,059,555,625.56/39,065.25
6. Step 6: Final answer
   x = 78,319.11