Finding the Third Proportional to 165,568.50 and 350,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,568.50 : 350,860.50 = 350,860.50 : x
2. Step 2: Convert to fraction form
   165,568.50/350,860.50 = 350,860.50/x
3. Step 3: Cross multiply
   165,568.50x = 350,860.50 × 350,860.50
4. Step 4: Simplify right side
   165,568.50x = 123,103,090,460.25
5. Step 5: Solve for x
   x = 123,103,090,460.25/165,568.50
6. Step 6: Final answer
   x = 743,517.58