Finding the Third Proportional to 73.56 and 173.00

Step by Step Solution

1. Step 1: Write the proportion equation
   73.56 : 173.00 = 173.00 : x
2. Step 2: Convert to fraction form
   73.56/173.00 = 173.00/x
3. Step 3: Cross multiply
   73.56x = 173.00 × 173.00
4. Step 4: Simplify right side
   73.56x = 29,927.31
5. Step 5: Solve for x
   x = 29,927.31/73.56
6. Step 6: Final answer
   x = 406.82