Finding the Third Proportional to 17,630 and 37,721

Step by Step Solution

1. Step 1: Write the proportion equation
   17,630 : 37,721 = 37,721 : x
2. Step 2: Convert to fraction form
   17,630/37,721 = 37,721/x
3. Step 3: Cross multiply
   17,630x = 37,721 × 37,721
4. Step 4: Simplify right side
   17,630x = 1,422,873,841
5. Step 5: Solve for x
   x = 1,422,873,841/17,630
6. Step 6: Final answer
   x = 80,707.53