Finding the Third Proportional to 23,170 and 56,005

Step by Step Solution

1. Step 1: Write the proportion equation
   23,170 : 56,005 = 56,005 : x
2. Step 2: Convert to fraction form
   23,170/56,005 = 56,005/x
3. Step 3: Cross multiply
   23,170x = 56,005 × 56,005
4. Step 4: Simplify right side
   23,170x = 3,136,560,025
5. Step 5: Solve for x
   x = 3,136,560,025/23,170
6. Step 6: Final answer
   x = 135,371.60