Finding the Third Proportional to 127,200.38 and 264,864.94

Step by Step Solution

1. Step 1: Write the proportion equation
   127,200.38 : 264,864.94 = 264,864.94 : x
2. Step 2: Convert to fraction form
   127,200.38/264,864.94 = 264,864.94/x
3. Step 3: Cross multiply
   127,200.38x = 264,864.94 × 264,864.94
4. Step 4: Simplify right side
   127,200.38x = 70,153,435,116.88
5. Step 5: Solve for x
   x = 70,153,435,116.88/127,200.38
6. Step 6: Final answer
   x = 551,519.09