Finding the Third Proportional to 17,618 and 37,900

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618 : 37,900 = 37,900 : x
2. Step 2: Convert to fraction form
   17,618/37,900 = 37,900/x
3. Step 3: Cross multiply
   17,618x = 37,900 × 37,900
4. Step 4: Simplify right side
   17,618x = 1,436,410,000
5. Step 5: Solve for x
   x = 1,436,410,000/17,618
6. Step 6: Final answer
   x = 81,530.82