Finding the Third Proportional to 87,172 and 134,064

Step by Step Solution

1. Step 1: Write the proportion equation
   87,172 : 134,064 = 134,064 : x
2. Step 2: Convert to fraction form
   87,172/134,064 = 134,064/x
3. Step 3: Cross multiply
   87,172x = 134,064 × 134,064
4. Step 4: Simplify right side
   87,172x = 17,973,156,096
5. Step 5: Solve for x
   x = 17,973,156,096/87,172
6. Step 6: Final answer
   x = 206,180.38