Finding the Third Proportional to 329,229 and 718,284.38

Step by Step Solution

1. Step 1: Write the proportion equation
   329,229 : 718,284.38 = 718,284.38 : x
2. Step 2: Convert to fraction form
   329,229/718,284.38 = 718,284.38/x
3. Step 3: Cross multiply
   329,229x = 718,284.38 × 718,284.38
4. Step 4: Simplify right side
   329,229x = 515,932,443,369.14
5. Step 5: Solve for x
   x = 515,932,443,369.14/329,229
6. Step 6: Final answer
   x = 1,567,092.95