Finding the Third Proportional to 168,570 and 383,907

Step by Step Solution

1. Step 1: Write the proportion equation
   168,570 : 383,907 = 383,907 : x
2. Step 2: Convert to fraction form
   168,570/383,907 = 383,907/x
3. Step 3: Cross multiply
   168,570x = 383,907 × 383,907
4. Step 4: Simplify right side
   168,570x = 147,384,584,649
5. Step 5: Solve for x
   x = 147,384,584,649/168,570
6. Step 6: Final answer
   x = 874,322.74