Finding the Third Proportional to 140,934 and 328,906

Step by Step Solution

1. Step 1: Write the proportion equation
   140,934 : 328,906 = 328,906 : x
2. Step 2: Convert to fraction form
   140,934/328,906 = 328,906/x
3. Step 3: Cross multiply
   140,934x = 328,906 × 328,906
4. Step 4: Simplify right side
   140,934x = 108,179,156,836
5. Step 5: Solve for x
   x = 108,179,156,836/140,934
6. Step 6: Final answer
   x = 767,587.36