Finding the Third Proportional to 131,731 and 204,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,731 : 204,354.50 = 204,354.50 : x
2. Step 2: Convert to fraction form
   131,731/204,354.50 = 204,354.50/x
3. Step 3: Cross multiply
   131,731x = 204,354.50 × 204,354.50
4. Step 4: Simplify right side
   131,731x = 41,760,761,670.25
5. Step 5: Solve for x
   x = 41,760,761,670.25/131,731
6. Step 6: Final answer
   x = 317,015.45