Finding the Third Proportional to 200,936 and 273,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,936 : 273,640.50 = 273,640.50 : x
2. Step 2: Convert to fraction form
   200,936/273,640.50 = 273,640.50/x
3. Step 3: Cross multiply
   200,936x = 273,640.50 × 273,640.50
4. Step 4: Simplify right side
   200,936x = 74,879,123,240.25
5. Step 5: Solve for x
   x = 74,879,123,240.25/200,936
6. Step 6: Final answer
   x = 372,651.61