Finding the Third Proportional to 325,768 and 707,240

Step by Step Solution

1. Step 1: Write the proportion equation
   325,768 : 707,240 = 707,240 : x
2. Step 2: Convert to fraction form
   325,768/707,240 = 707,240/x
3. Step 3: Cross multiply
   325,768x = 707,240 × 707,240
4. Step 4: Simplify right side
   325,768x = 500,188,417,600
5. Step 5: Solve for x
   x = 500,188,417,600/325,768
6. Step 6: Final answer
   x = 1,535,412.99