Finding the Third Proportional to 40,350 and 86,242

Step by Step Solution

1. Step 1: Write the proportion equation
   40,350 : 86,242 = 86,242 : x
2. Step 2: Convert to fraction form
   40,350/86,242 = 86,242/x
3. Step 3: Cross multiply
   40,350x = 86,242 × 86,242
4. Step 4: Simplify right side
   40,350x = 7,437,682,564
5. Step 5: Solve for x
   x = 7,437,682,564/40,350
6. Step 6: Final answer
   x = 184,329.18