Finding the Third Proportional to 125,631 and 273,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   125,631 : 273,405.38 = 273,405.38 : x
2. Step 2: Convert to fraction form
   125,631/273,405.38 = 273,405.38/x
3. Step 3: Cross multiply
   125,631x = 273,405.38 × 273,405.38
4. Step 4: Simplify right side
   125,631x = 74,750,499,078.89
5. Step 5: Solve for x
   x = 74,750,499,078.89/125,631
6. Step 6: Final answer
   x = 595,000.43