Finding the Third Proportional to 205,147.69 and 426,603.38

Step by Step Solution

1. Step 1: Write the proportion equation
   205,147.69 : 426,603.38 = 426,603.38 : x
2. Step 2: Convert to fraction form
   205,147.69/426,603.38 = 426,603.38/x
3. Step 3: Cross multiply
   205,147.69x = 426,603.38 × 426,603.38
4. Step 4: Simplify right side
   205,147.69x = 181,990,439,561.39
5. Step 5: Solve for x
   x = 181,990,439,561.39/205,147.69
6. Step 6: Final answer
   x = 887,119.14