Finding the Third Proportional to 152,164 and 328,388

Step by Step Solution

1. Step 1: Write the proportion equation
   152,164 : 328,388 = 328,388 : x
2. Step 2: Convert to fraction form
   152,164/328,388 = 328,388/x
3. Step 3: Cross multiply
   152,164x = 328,388 × 328,388
4. Step 4: Simplify right side
   152,164x = 107,838,678,544
5. Step 5: Solve for x
   x = 107,838,678,544/152,164
6. Step 6: Final answer
   x = 708,700.34