Finding the Third Proportional to 12,976 and 19,954

Step by Step Solution

1. Step 1: Write the proportion equation
   12,976 : 19,954 = 19,954 : x
2. Step 2: Convert to fraction form
   12,976/19,954 = 19,954/x
3. Step 3: Cross multiply
   12,976x = 19,954 × 19,954
4. Step 4: Simplify right side
   12,976x = 398,162,116
5. Step 5: Solve for x
   x = 398,162,116/12,976
6. Step 6: Final answer
   x = 30,684.50