Finding the Third Proportional to 192,002 and 290,648

Step by Step Solution

1. Step 1: Write the proportion equation
   192,002 : 290,648 = 290,648 : x
2. Step 2: Convert to fraction form
   192,002/290,648 = 290,648/x
3. Step 3: Cross multiply
   192,002x = 290,648 × 290,648
4. Step 4: Simplify right side
   192,002x = 84,476,259,904
5. Step 5: Solve for x
   x = 84,476,259,904/192,002
6. Step 6: Final answer
   x = 439,975.94