Finding the Third Proportional to 17,697 and 38,613

Step by Step Solution

1. Step 1: Write the proportion equation
   17,697 : 38,613 = 38,613 : x
2. Step 2: Convert to fraction form
   17,697/38,613 = 38,613/x
3. Step 3: Cross multiply
   17,697x = 38,613 × 38,613
4. Step 4: Simplify right side
   17,697x = 1,490,963,769
5. Step 5: Solve for x
   x = 1,490,963,769/17,697
6. Step 6: Final answer
   x = 84,249.52