Finding the Third Proportional to 127,882.50 and 200,619

Step by Step Solution

1. Step 1: Write the proportion equation
   127,882.50 : 200,619 = 200,619 : x
2. Step 2: Convert to fraction form
   127,882.50/200,619 = 200,619/x
3. Step 3: Cross multiply
   127,882.50x = 200,619 × 200,619
4. Step 4: Simplify right side
   127,882.50x = 40,247,983,161
5. Step 5: Solve for x
   x = 40,247,983,161/127,882.50
6. Step 6: Final answer
   x = 314,726.28