Finding the Third Proportional to 57,105 and 87,006

Step by Step Solution

1. Step 1: Write the proportion equation
   57,105 : 87,006 = 87,006 : x
2. Step 2: Convert to fraction form
   57,105/87,006 = 87,006/x
3. Step 3: Cross multiply
   57,105x = 87,006 × 87,006
4. Step 4: Simplify right side
   57,105x = 7,570,044,036
5. Step 5: Solve for x
   x = 7,570,044,036/57,105
6. Step 6: Final answer
   x = 132,563.59