Finding the Third Proportional to 178,686 and 383,281.88

Step by Step Solution

1. Step 1: Write the proportion equation
   178,686 : 383,281.88 = 383,281.88 : x
2. Step 2: Convert to fraction form
   178,686/383,281.88 = 383,281.88/x
3. Step 3: Cross multiply
   178,686x = 383,281.88 × 383,281.88
4. Step 4: Simplify right side
   178,686x = 146,904,995,703.52
5. Step 5: Solve for x
   x = 146,904,995,703.52/178,686
6. Step 6: Final answer
   x = 822,140.49