Finding the Third Proportional to 131,384 and 200,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,384 : 200,356.50 = 200,356.50 : x
2. Step 2: Convert to fraction form
   131,384/200,356.50 = 200,356.50/x
3. Step 3: Cross multiply
   131,384x = 200,356.50 × 200,356.50
4. Step 4: Simplify right side
   131,384x = 40,142,727,092.25
5. Step 5: Solve for x
   x = 40,142,727,092.25/131,384
6. Step 6: Final answer
   x = 305,537.41