Finding the Third Proportional to 131,913 and 204,593.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,913 : 204,593.50 = 204,593.50 : x
2. Step 2: Convert to fraction form
   131,913/204,593.50 = 204,593.50/x
3. Step 3: Cross multiply
   131,913x = 204,593.50 × 204,593.50
4. Step 4: Simplify right side
   131,913x = 41,858,500,242.25
5. Step 5: Solve for x
   x = 41,858,500,242.25/131,913
6. Step 6: Final answer
   x = 317,318.99