Finding the Third Proportional to 23,618 and 56,405

Step by Step Solution

1. Step 1: Write the proportion equation
   23,618 : 56,405 = 56,405 : x
2. Step 2: Convert to fraction form
   23,618/56,405 = 56,405/x
3. Step 3: Cross multiply
   23,618x = 56,405 × 56,405
4. Step 4: Simplify right side
   23,618x = 3,181,524,025
5. Step 5: Solve for x
   x = 3,181,524,025/23,618
6. Step 6: Final answer
   x = 134,707.60