Finding the Third Proportional to 368,355 and 568,804.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,355 : 568,804.50 = 568,804.50 : x
2. Step 2: Convert to fraction form
   368,355/568,804.50 = 568,804.50/x
3. Step 3: Cross multiply
   368,355x = 568,804.50 × 568,804.50
4. Step 4: Simplify right side
   368,355x = 323,538,559,220.25
5. Step 5: Solve for x
   x = 323,538,559,220.25/368,355
6. Step 6: Final answer
   x = 878,333.56