Finding the Third Proportional to 10,402 and 18,494

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402 : 18,494 = 18,494 : x
2. Step 2: Convert to fraction form
   10,402/18,494 = 18,494/x
3. Step 3: Cross multiply
   10,402x = 18,494 × 18,494
4. Step 4: Simplify right side
   10,402x = 342,028,036
5. Step 5: Solve for x
   x = 342,028,036/10,402
6. Step 6: Final answer
   x = 32,880.99