Finding the Third Proportional to 39,481.88 and 86,344.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,481.88 : 86,344.69 = 86,344.69 : x
2. Step 2: Convert to fraction form
   39,481.88/86,344.69 = 86,344.69/x
3. Step 3: Cross multiply
   39,481.88x = 86,344.69 × 86,344.69
4. Step 4: Simplify right side
   39,481.88x = 7,455,405,059.47
5. Step 5: Solve for x
   x = 7,455,405,059.47/39,481.88
6. Step 6: Final answer
   x = 188,831.08