Finding the Third Proportional to 179,068 and 389,768

Step by Step Solution

1. Step 1: Write the proportion equation
   179,068 : 389,768 = 389,768 : x
2. Step 2: Convert to fraction form
   179,068/389,768 = 389,768/x
3. Step 3: Cross multiply
   179,068x = 389,768 × 389,768
4. Step 4: Simplify right side
   179,068x = 151,919,093,824
5. Step 5: Solve for x
   x = 151,919,093,824/179,068
6. Step 6: Final answer
   x = 848,387.73