Finding the Third Proportional to 9,131 and 18,613

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131 : 18,613 = 18,613 : x
2. Step 2: Convert to fraction form
   9,131/18,613 = 18,613/x
3. Step 3: Cross multiply
   9,131x = 18,613 × 18,613
4. Step 4: Simplify right side
   9,131x = 346,443,769
5. Step 5: Solve for x
   x = 346,443,769/9,131
6. Step 6: Final answer
   x = 37,941.49