Finding the Third Proportional to 40,158 and 53,667

Step by Step Solution

1. Step 1: Write the proportion equation
   40,158 : 53,667 = 53,667 : x
2. Step 2: Convert to fraction form
   40,158/53,667 = 53,667/x
3. Step 3: Cross multiply
   40,158x = 53,667 × 53,667
4. Step 4: Simplify right side
   40,158x = 2,880,146,889
5. Step 5: Solve for x
   x = 2,880,146,889/40,158
6. Step 6: Final answer
   x = 71,720.38