Finding the Third Proportional to 87,608 and 134,040

Step by Step Solution

1. Step 1: Write the proportion equation
   87,608 : 134,040 = 134,040 : x
2. Step 2: Convert to fraction form
   87,608/134,040 = 134,040/x
3. Step 3: Cross multiply
   87,608x = 134,040 × 134,040
4. Step 4: Simplify right side
   87,608x = 17,966,721,600
5. Step 5: Solve for x
   x = 17,966,721,600/87,608
6. Step 6: Final answer
   x = 205,080.83