Finding the Third Proportional to 234,768 and 488,992

Step by Step Solution

1. Step 1: Write the proportion equation
   234,768 : 488,992 = 488,992 : x
2. Step 2: Convert to fraction form
   234,768/488,992 = 488,992/x
3. Step 3: Cross multiply
   234,768x = 488,992 × 488,992
4. Step 4: Simplify right side
   234,768x = 239,113,176,064
5. Step 5: Solve for x
   x = 239,113,176,064/234,768
6. Step 6: Final answer
   x = 1,018,508.38