Finding the Third Proportional to 264,877.55 and 580,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   264,877.55 : 580,141.31 = 580,141.31 : x
2. Step 2: Convert to fraction form
   264,877.55/580,141.31 = 580,141.31/x
3. Step 3: Cross multiply
   264,877.55x = 580,141.31 × 580,141.31
4. Step 4: Simplify right side
   264,877.55x = 336,563,942,469.22
5. Step 5: Solve for x
   x = 336,563,942,469.22/264,877.55
6. Step 6: Final answer
   x = 1,270,639.76