Finding the Third Proportional to 134,678.38 and 200,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,678.38 : 200,849.50 = 200,849.50 : x
2. Step 2: Convert to fraction form
   134,678.38/200,849.50 = 200,849.50/x
3. Step 3: Cross multiply
   134,678.38x = 200,849.50 × 200,849.50
4. Step 4: Simplify right side
   134,678.38x = 40,340,521,650.25
5. Step 5: Solve for x
   x = 40,340,521,650.25/134,678.38
6. Step 6: Final answer
   x = 299,532.29