Finding the Third Proportional to 328,266 and 714,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,266 : 714,046.50 = 714,046.50 : x
2. Step 2: Convert to fraction form
   328,266/714,046.50 = 714,046.50/x
3. Step 3: Cross multiply
   328,266x = 714,046.50 × 714,046.50
4. Step 4: Simplify right side
   328,266x = 509,862,404,162.25
5. Step 5: Solve for x
   x = 509,862,404,162.25/328,266
6. Step 6: Final answer
   x = 1,553,198.94