Finding the Third Proportional to 181,788 and 389,496

Step by Step Solution

1. Step 1: Write the proportion equation
   181,788 : 389,496 = 389,496 : x
2. Step 2: Convert to fraction form
   181,788/389,496 = 389,496/x
3. Step 3: Cross multiply
   181,788x = 389,496 × 389,496
4. Step 4: Simplify right side
   181,788x = 151,707,134,016
5. Step 5: Solve for x
   x = 151,707,134,016/181,788
6. Step 6: Final answer
   x = 834,527.77