Finding the Third Proportional to 322,245 and 483,144

Step by Step Solution

1. Step 1: Write the proportion equation
   322,245 : 483,144 = 483,144 : x
2. Step 2: Convert to fraction form
   322,245/483,144 = 483,144/x
3. Step 3: Cross multiply
   322,245x = 483,144 × 483,144
4. Step 4: Simplify right side
   322,245x = 233,428,124,736
5. Step 5: Solve for x
   x = 233,428,124,736/322,245
6. Step 6: Final answer
   x = 724,380.91