Finding the Third Proportional to 40,009.50 and 86,805

Step by Step Solution

1. Step 1: Write the proportion equation
   40,009.50 : 86,805 = 86,805 : x
2. Step 2: Convert to fraction form
   40,009.50/86,805 = 86,805/x
3. Step 3: Cross multiply
   40,009.50x = 86,805 × 86,805
4. Step 4: Simplify right side
   40,009.50x = 7,535,108,025
5. Step 5: Solve for x
   x = 7,535,108,025/40,009.50
6. Step 6: Final answer
   x = 188,332.97