Finding the Third Proportional to 131,656 and 204,230

Step by Step Solution

1. Step 1: Write the proportion equation
   131,656 : 204,230 = 204,230 : x
2. Step 2: Convert to fraction form
   131,656/204,230 = 204,230/x
3. Step 3: Cross multiply
   131,656x = 204,230 × 204,230
4. Step 4: Simplify right side
   131,656x = 41,709,892,900
5. Step 5: Solve for x
   x = 41,709,892,900/131,656
6. Step 6: Final answer
   x = 316,809.66