Finding the Third Proportional to 328,264 and 714,043.06

Step by Step Solution

1. Step 1: Write the proportion equation
   328,264 : 714,043.06 = 714,043.06 : x
2. Step 2: Convert to fraction form
   328,264/714,043.06 = 714,043.06/x
3. Step 3: Cross multiply
   328,264x = 714,043.06 × 714,043.06
4. Step 4: Simplify right side
   328,264x = 509,857,495,104.38
5. Step 5: Solve for x
   x = 509,857,495,104.38/328,264
6. Step 6: Final answer
   x = 1,553,193.45