Finding the Third Proportional to 453.55 and 993.54

Step by Step Solution

1. Step 1: Write the proportion equation
   453.55 : 993.54 = 993.54 : x
2. Step 2: Convert to fraction form
   453.55/993.54 = 993.54/x
3. Step 3: Cross multiply
   453.55x = 993.54 × 993.54
4. Step 4: Simplify right side
   453.55x = 987,112.59
5. Step 5: Solve for x
   x = 987,112.59/453.55
6. Step 6: Final answer
   x = 2,176.42