Finding the Third Proportional to 40,673 and 86,530

Step by Step Solution

1. Step 1: Write the proportion equation
   40,673 : 86,530 = 86,530 : x
2. Step 2: Convert to fraction form
   40,673/86,530 = 86,530/x
3. Step 3: Cross multiply
   40,673x = 86,530 × 86,530
4. Step 4: Simplify right side
   40,673x = 7,487,440,900
5. Step 5: Solve for x
   x = 7,487,440,900/40,673
6. Step 6: Final answer
   x = 184,088.73