Finding the Third Proportional to 234,392 and 485,384

Step by Step Solution

1. Step 1: Write the proportion equation
   234,392 : 485,384 = 485,384 : x
2. Step 2: Convert to fraction form
   234,392/485,384 = 485,384/x
3. Step 3: Cross multiply
   234,392x = 485,384 × 485,384
4. Step 4: Simplify right side
   234,392x = 235,597,627,456
5. Step 5: Solve for x
   x = 235,597,627,456/234,392
6. Step 6: Final answer
   x = 1,005,143.64