Finding the Third Proportional to 9,090 and 19,613

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090 : 19,613 = 19,613 : x
2. Step 2: Convert to fraction form
   9,090/19,613 = 19,613/x
3. Step 3: Cross multiply
   9,090x = 19,613 × 19,613
4. Step 4: Simplify right side
   9,090x = 384,669,769
5. Step 5: Solve for x
   x = 384,669,769/9,090
6. Step 6: Final answer
   x = 42,317.91