Finding the Third Proportional to 151,949 and 329,818

Step by Step Solution

1. Step 1: Write the proportion equation
   151,949 : 329,818 = 329,818 : x
2. Step 2: Convert to fraction form
   151,949/329,818 = 329,818/x
3. Step 3: Cross multiply
   151,949x = 329,818 × 329,818
4. Step 4: Simplify right side
   151,949x = 108,779,913,124
5. Step 5: Solve for x
   x = 108,779,913,124/151,949
6. Step 6: Final answer
   x = 715,897.53