Finding the Third Proportional to 10,298 and 20,958

Step by Step Solution

1. Step 1: Write the proportion equation
   10,298 : 20,958 = 20,958 : x
2. Step 2: Convert to fraction form
   10,298/20,958 = 20,958/x
3. Step 3: Cross multiply
   10,298x = 20,958 × 20,958
4. Step 4: Simplify right side
   10,298x = 439,237,764
5. Step 5: Solve for x
   x = 439,237,764/10,298
6. Step 6: Final answer
   x = 42,652.73