Finding the Third Proportional to 17,420 and 37,976

Step by Step Solution

1. Step 1: Write the proportion equation
   17,420 : 37,976 = 37,976 : x
2. Step 2: Convert to fraction form
   17,420/37,976 = 37,976/x
3. Step 3: Cross multiply
   17,420x = 37,976 × 37,976
4. Step 4: Simplify right side
   17,420x = 1,442,176,576
5. Step 5: Solve for x
   x = 1,442,176,576/17,420
6. Step 6: Final answer
   x = 82,788.55