Finding the Third Proportional to 151,830 and 328,698

Step by Step Solution

1. Step 1: Write the proportion equation
   151,830 : 328,698 = 328,698 : x
2. Step 2: Convert to fraction form
   151,830/328,698 = 328,698/x
3. Step 3: Cross multiply
   151,830x = 328,698 × 328,698
4. Step 4: Simplify right side
   151,830x = 108,042,375,204
5. Step 5: Solve for x
   x = 108,042,375,204/151,830
6. Step 6: Final answer
   x = 711,600.97