Finding the Third Proportional to 152,704 and 328,820

Step by Step Solution

1. Step 1: Write the proportion equation
   152,704 : 328,820 = 328,820 : x
2. Step 2: Convert to fraction form
   152,704/328,820 = 328,820/x
3. Step 3: Cross multiply
   152,704x = 328,820 × 328,820
4. Step 4: Simplify right side
   152,704x = 108,122,592,400
5. Step 5: Solve for x
   x = 108,122,592,400/152,704
6. Step 6: Final answer
   x = 708,053.44