Finding the Third Proportional to 181,261 and 388,766

Step by Step Solution

1. Step 1: Write the proportion equation
   181,261 : 388,766 = 388,766 : x
2. Step 2: Convert to fraction form
   181,261/388,766 = 388,766/x
3. Step 3: Cross multiply
   181,261x = 388,766 × 388,766
4. Step 4: Simplify right side
   181,261x = 151,139,002,756
5. Step 5: Solve for x
   x = 151,139,002,756/181,261
6. Step 6: Final answer
   x = 833,819.76