Finding the Third Proportional to 325,756 and 707,216

Step by Step Solution

1. Step 1: Write the proportion equation
   325,756 : 707,216 = 707,216 : x
2. Step 2: Convert to fraction form
   325,756/707,216 = 707,216/x
3. Step 3: Cross multiply
   325,756x = 707,216 × 707,216
4. Step 4: Simplify right side
   325,756x = 500,154,470,656
5. Step 5: Solve for x
   x = 500,154,470,656/325,756
6. Step 6: Final answer
   x = 1,535,365.34