Finding the Third Proportional to 245,568 and 379,200

Step by Step Solution

1. Step 1: Write the proportion equation
   245,568 : 379,200 = 379,200 : x
2. Step 2: Convert to fraction form
   245,568/379,200 = 379,200/x
3. Step 3: Cross multiply
   245,568x = 379,200 × 379,200
4. Step 4: Simplify right side
   245,568x = 143,792,640,000
5. Step 5: Solve for x
   x = 143,792,640,000/245,568
6. Step 6: Final answer
   x = 585,551.21