Finding the Third Proportional to 87,172 and 134,060

Step by Step Solution

1. Step 1: Write the proportion equation
   87,172 : 134,060 = 134,060 : x
2. Step 2: Convert to fraction form
   87,172/134,060 = 134,060/x
3. Step 3: Cross multiply
   87,172x = 134,060 × 134,060
4. Step 4: Simplify right side
   87,172x = 17,972,083,600
5. Step 5: Solve for x
   x = 17,972,083,600/87,172
6. Step 6: Final answer
   x = 206,168.08