Finding the Third Proportional to 19,768 and 38,960

Step by Step Solution

1. Step 1: Write the proportion equation
   19,768 : 38,960 = 38,960 : x
2. Step 2: Convert to fraction form
   19,768/38,960 = 38,960/x
3. Step 3: Cross multiply
   19,768x = 38,960 × 38,960
4. Step 4: Simplify right side
   19,768x = 1,517,881,600
5. Step 5: Solve for x
   x = 1,517,881,600/19,768
6. Step 6: Final answer
   x = 76,784.78