Finding the Third Proportional to 131.81 and 200.06

Step by Step Solution

1. Step 1: Write the proportion equation
   131.81 : 200.06 = 200.06 : x
2. Step 2: Convert to fraction form
   131.81/200.06 = 200.06/x
3. Step 3: Cross multiply
   131.81x = 200.06 × 200.06
4. Step 4: Simplify right side
   131.81x = 40,025.00
5. Step 5: Solve for x
   x = 40,025.00/131.81
6. Step 6: Final answer
   x = 303.65