Finding the Third Proportional to 20,455 and 30,959

Step by Step Solution

1. Step 1: Write the proportion equation
   20,455 : 30,959 = 30,959 : x
2. Step 2: Convert to fraction form
   20,455/30,959 = 30,959/x
3. Step 3: Cross multiply
   20,455x = 30,959 × 30,959
4. Step 4: Simplify right side
   20,455x = 958,459,681
5. Step 5: Solve for x
   x = 958,459,681/20,455
6. Step 6: Final answer
   x = 46,856.99