Finding the Third Proportional to 322,395 and 670,955.25

Step by Step Solution

1. Step 1: Write the proportion equation
   322,395 : 670,955.25 = 670,955.25 : x
2. Step 2: Convert to fraction form
   322,395/670,955.25 = 670,955.25/x
3. Step 3: Cross multiply
   322,395x = 670,955.25 × 670,955.25
4. Step 4: Simplify right side
   322,395x = 450,180,947,502.56
5. Step 5: Solve for x
   x = 450,180,947,502.56/322,395
6. Step 6: Final answer
   x = 1,396,364.55