Finding the Third Proportional to 40,059 and 86,697

Step by Step Solution

1. Step 1: Write the proportion equation
   40,059 : 86,697 = 86,697 : x
2. Step 2: Convert to fraction form
   40,059/86,697 = 86,697/x
3. Step 3: Cross multiply
   40,059x = 86,697 × 86,697
4. Step 4: Simplify right side
   40,059x = 7,516,369,809
5. Step 5: Solve for x
   x = 7,516,369,809/40,059
6. Step 6: Final answer
   x = 187,632.49