Finding the Third Proportional to 329,760 and 612,384

Step by Step Solution

1. Step 1: Write the proportion equation
   329,760 : 612,384 = 612,384 : x
2. Step 2: Convert to fraction form
   329,760/612,384 = 612,384/x
3. Step 3: Cross multiply
   329,760x = 612,384 × 612,384
4. Step 4: Simplify right side
   329,760x = 375,014,163,456
5. Step 5: Solve for x
   x = 375,014,163,456/329,760
6. Step 6: Final answer
   x = 1,137,233.63