Finding the Third Proportional to 152,214 and 328,819

Step by Step Solution

1. Step 1: Write the proportion equation
   152,214 : 328,819 = 328,819 : x
2. Step 2: Convert to fraction form
   152,214/328,819 = 328,819/x
3. Step 3: Cross multiply
   152,214x = 328,819 × 328,819
4. Step 4: Simplify right side
   152,214x = 108,121,934,761
5. Step 5: Solve for x
   x = 108,121,934,761/152,214
6. Step 6: Final answer
   x = 710,328.45