Finding the Third Proportional to 17,621 and 23,491

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621 : 23,491 = 23,491 : x
2. Step 2: Convert to fraction form
   17,621/23,491 = 23,491/x
3. Step 3: Cross multiply
   17,621x = 23,491 × 23,491
4. Step 4: Simplify right side
   17,621x = 551,827,081
5. Step 5: Solve for x
   x = 551,827,081/17,621
6. Step 6: Final answer
   x = 31,316.45