Finding the Third Proportional to 325,778 and 707,260

Step by Step Solution

1. Step 1: Write the proportion equation
   325,778 : 707,260 = 707,260 : x
2. Step 2: Convert to fraction form
   325,778/707,260 = 707,260/x
3. Step 3: Cross multiply
   325,778x = 707,260 × 707,260
4. Step 4: Simplify right side
   325,778x = 500,216,707,600
5. Step 5: Solve for x
   x = 500,216,707,600/325,778
6. Step 6: Final answer
   x = 1,535,452.69