Finding the Third Proportional to 181,111.50 and 393,357

Step by Step Solution

1. Step 1: Write the proportion equation
   181,111.50 : 393,357 = 393,357 : x
2. Step 2: Convert to fraction form
   181,111.50/393,357 = 393,357/x
3. Step 3: Cross multiply
   181,111.50x = 393,357 × 393,357
4. Step 4: Simplify right side
   181,111.50x = 154,729,729,449
5. Step 5: Solve for x
   x = 154,729,729,449/181,111.50
6. Step 6: Final answer
   x = 854,334.10