Finding the Third Proportional to 212.06 and 452.81

Step by Step Solution

1. Step 1: Write the proportion equation
   212.06 : 452.81 = 452.81 : x
2. Step 2: Convert to fraction form
   212.06/452.81 = 452.81/x
3. Step 3: Cross multiply
   212.06x = 452.81 × 452.81
4. Step 4: Simplify right side
   212.06x = 205,039.16
5. Step 5: Solve for x
   x = 205,039.16/212.06
6. Step 6: Final answer
   x = 966.88