Finding the Third Proportional to 328,264 and 714,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   328,264 : 714,043.25 = 714,043.25 : x
2. Step 2: Convert to fraction form
   328,264/714,043.25 = 714,043.25/x
3. Step 3: Cross multiply
   328,264x = 714,043.25 × 714,043.25
4. Step 4: Simplify right side
   328,264x = 509,857,762,870.56
5. Step 5: Solve for x
   x = 509,857,762,870.56/328,264
6. Step 6: Final answer
   x = 1,553,194.27