Finding the Third Proportional to 273,511.69 and 588,644.72

Step by Step Solution

1. Step 1: Write the proportion equation
   273,511.69 : 588,644.72 = 588,644.72 : x
2. Step 2: Convert to fraction form
   273,511.69/588,644.72 = 588,644.72/x
3. Step 3: Cross multiply
   273,511.69x = 588,644.72 × 588,644.72
4. Step 4: Simplify right side
   273,511.69x = 346,502,604,912.27
5. Step 5: Solve for x
   x = 346,502,604,912.27/273,511.69
6. Step 6: Final answer
   x = 1,266,865.81