Finding the Third Proportional to 361,832 and 552,144

Step by Step Solution

1. Step 1: Write the proportion equation
   361,832 : 552,144 = 552,144 : x
2. Step 2: Convert to fraction form
   361,832/552,144 = 552,144/x
3. Step 3: Cross multiply
   361,832x = 552,144 × 552,144
4. Step 4: Simplify right side
   361,832x = 304,862,996,736
5. Step 5: Solve for x
   x = 304,862,996,736/361,832
6. Step 6: Final answer
   x = 842,553.99