Finding the Third Proportional to 325,701 and 717,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   325,701 : 717,673.50 = 717,673.50 : x
2. Step 2: Convert to fraction form
   325,701/717,673.50 = 717,673.50/x
3. Step 3: Cross multiply
   325,701x = 717,673.50 × 717,673.50
4. Step 4: Simplify right side
   325,701x = 515,055,252,602.25
5. Step 5: Solve for x
   x = 515,055,252,602.25/325,701
6. Step 6: Final answer
   x = 1,581,374.49