Finding the Third Proportional to 155,874.38 and 251,039.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,874.38 : 251,039.25 = 251,039.25 : x
2. Step 2: Convert to fraction form
   155,874.38/251,039.25 = 251,039.25/x
3. Step 3: Cross multiply
   155,874.38x = 251,039.25 × 251,039.25
4. Step 4: Simplify right side
   155,874.38x = 63,020,705,040.56
5. Step 5: Solve for x
   x = 63,020,705,040.56/155,874.38
6. Step 6: Final answer
   x = 404,304.46