Finding the Third Proportional to 181,792 and 389,488

Step by Step Solution

1. Step 1: Write the proportion equation
   181,792 : 389,488 = 389,488 : x
2. Step 2: Convert to fraction form
   181,792/389,488 = 389,488/x
3. Step 3: Cross multiply
   181,792x = 389,488 × 389,488
4. Step 4: Simplify right side
   181,792x = 151,700,902,144
5. Step 5: Solve for x
   x = 151,700,902,144/181,792
6. Step 6: Final answer
   x = 834,475.13