Finding the Third Proportional to 325,860 and 681,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   325,860 : 681,514.50 = 681,514.50 : x
2. Step 2: Convert to fraction form
   325,860/681,514.50 = 681,514.50/x
3. Step 3: Cross multiply
   325,860x = 681,514.50 × 681,514.50
4. Step 4: Simplify right side
   325,860x = 464,462,013,710.25
5. Step 5: Solve for x
   x = 464,462,013,710.25/325,860
6. Step 6: Final answer
   x = 1,425,342.21