Finding the Third Proportional to 85,320 and 134,028

Step by Step Solution

1. Step 1: Write the proportion equation
   85,320 : 134,028 = 134,028 : x
2. Step 2: Convert to fraction form
   85,320/134,028 = 134,028/x
3. Step 3: Cross multiply
   85,320x = 134,028 × 134,028
4. Step 4: Simplify right side
   85,320x = 17,963,504,784
5. Step 5: Solve for x
   x = 17,963,504,784/85,320
6. Step 6: Final answer
   x = 210,542.72