Finding the Third Proportional to 67,040 and 132,388

Step by Step Solution

1. Step 1: Write the proportion equation
   67,040 : 132,388 = 132,388 : x
2. Step 2: Convert to fraction form
   67,040/132,388 = 132,388/x
3. Step 3: Cross multiply
   67,040x = 132,388 × 132,388
4. Step 4: Simplify right side
   67,040x = 17,526,582,544
5. Step 5: Solve for x
   x = 17,526,582,544/67,040
6. Step 6: Final answer
   x = 261,434.70