Finding the Third Proportional to 181,821 and 388,914

Step by Step Solution

1. Step 1: Write the proportion equation
   181,821 : 388,914 = 388,914 : x
2. Step 2: Convert to fraction form
   181,821/388,914 = 388,914/x
3. Step 3: Cross multiply
   181,821x = 388,914 × 388,914
4. Step 4: Simplify right side
   181,821x = 151,254,099,396
5. Step 5: Solve for x
   x = 151,254,099,396/181,821
6. Step 6: Final answer
   x = 831,884.65