Finding the Third Proportional to 331,227.98 and 725,541.52

Step by Step Solution

1. Step 1: Write the proportion equation
   331,227.98 : 725,541.52 = 725,541.52 : x
2. Step 2: Convert to fraction form
   331,227.98/725,541.52 = 725,541.52/x
3. Step 3: Cross multiply
   331,227.98x = 725,541.52 × 725,541.52
4. Step 4: Simplify right side
   331,227.98x = 526,410,499,397.87
5. Step 5: Solve for x
   x = 526,410,499,397.87/331,227.98
6. Step 6: Final answer
   x = 1,589,269.40