Finding the Third Proportional to 131,906 and 204,600

Step by Step Solution

1. Step 1: Write the proportion equation
   131,906 : 204,600 = 204,600 : x
2. Step 2: Convert to fraction form
   131,906/204,600 = 204,600/x
3. Step 3: Cross multiply
   131,906x = 204,600 × 204,600
4. Step 4: Simplify right side
   131,906x = 41,861,160,000
5. Step 5: Solve for x
   x = 41,861,160,000/131,906
6. Step 6: Final answer
   x = 317,356.00