Finding the Third Proportional to 12,980 and 20,046

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980 : 20,046 = 20,046 : x
2. Step 2: Convert to fraction form
   12,980/20,046 = 20,046/x
3. Step 3: Cross multiply
   12,980x = 20,046 × 20,046
4. Step 4: Simplify right side
   12,980x = 401,842,116
5. Step 5: Solve for x
   x = 401,842,116/12,980
6. Step 6: Final answer
   x = 30,958.56