Finding the Third Proportional to 326,809.69 and 707,904.56

Step by Step Solution

1. Step 1: Write the proportion equation
   326,809.69 : 707,904.56 = 707,904.56 : x
2. Step 2: Convert to fraction form
   326,809.69/707,904.56 = 707,904.56/x
3. Step 3: Cross multiply
   326,809.69x = 707,904.56 × 707,904.56
4. Step 4: Simplify right side
   326,809.69x = 501,128,869,608.32
5. Step 5: Solve for x
   x = 501,128,869,608.32/326,809.69
6. Step 6: Final answer
   x = 1,533,396.62