Finding the Third Proportional to 181,279.69 and 398,757.94

Step by Step Solution

1. Step 1: Write the proportion equation
   181,279.69 : 398,757.94 = 398,757.94 : x
2. Step 2: Convert to fraction form
   181,279.69/398,757.94 = 398,757.94/x
3. Step 3: Cross multiply
   181,279.69x = 398,757.94 × 398,757.94
4. Step 4: Simplify right side
   181,279.69x = 159,007,892,719.25
5. Step 5: Solve for x
   x = 159,007,892,719.25/181,279.69
6. Step 6: Final answer
   x = 877,141.26