Finding the Third Proportional to 152,556 and 328,071

Step by Step Solution

1. Step 1: Write the proportion equation
   152,556 : 328,071 = 328,071 : x
2. Step 2: Convert to fraction form
   152,556/328,071 = 328,071/x
3. Step 3: Cross multiply
   152,556x = 328,071 × 328,071
4. Step 4: Simplify right side
   152,556x = 107,630,581,041
5. Step 5: Solve for x
   x = 107,630,581,041/152,556
6. Step 6: Final answer
   x = 705,515.23