Finding the Third Proportional to 292,608 and 628,863.75

Step by Step Solution

1. Step 1: Write the proportion equation
   292,608 : 628,863.75 = 628,863.75 : x
2. Step 2: Convert to fraction form
   292,608/628,863.75 = 628,863.75/x
3. Step 3: Cross multiply
   292,608x = 628,863.75 × 628,863.75
4. Step 4: Simplify right side
   292,608x = 395,469,616,064.06
5. Step 5: Solve for x
   x = 395,469,616,064.06/292,608
6. Step 6: Final answer
   x = 1,351,533.85