Finding the Third Proportional to 9,140.50 and 13,812

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.50 : 13,812 = 13,812 : x
2. Step 2: Convert to fraction form
   9,140.50/13,812 = 13,812/x
3. Step 3: Cross multiply
   9,140.50x = 13,812 × 13,812
4. Step 4: Simplify right side
   9,140.50x = 190,771,344
5. Step 5: Solve for x
   x = 190,771,344/9,140.50
6. Step 6: Final answer
   x = 20,871.00