Finding the Third Proportional to 127,880.50 and 200,616

Step by Step Solution

1. Step 1: Write the proportion equation
   127,880.50 : 200,616 = 200,616 : x
2. Step 2: Convert to fraction form
   127,880.50/200,616 = 200,616/x
3. Step 3: Cross multiply
   127,880.50x = 200,616 × 200,616
4. Step 4: Simplify right side
   127,880.50x = 40,246,779,456
5. Step 5: Solve for x
   x = 40,246,779,456/127,880.50
6. Step 6: Final answer
   x = 314,721.79