Finding the Third Proportional to 6,321 and 13,812

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321 : 13,812 = 13,812 : x
2. Step 2: Convert to fraction form
   6,321/13,812 = 13,812/x
3. Step 3: Cross multiply
   6,321x = 13,812 × 13,812
4. Step 4: Simplify right side
   6,321x = 190,771,344
5. Step 5: Solve for x
   x = 190,771,344/6,321
6. Step 6: Final answer
   x = 30,180.56