Finding the Third Proportional to 144,610 and 322,422

Step by Step Solution

1. Step 1: Write the proportion equation
   144,610 : 322,422 = 322,422 : x
2. Step 2: Convert to fraction form
   144,610/322,422 = 322,422/x
3. Step 3: Cross multiply
   144,610x = 322,422 × 322,422
4. Step 4: Simplify right side
   144,610x = 103,955,946,084
5. Step 5: Solve for x
   x = 103,955,946,084/144,610
6. Step 6: Final answer
   x = 718,871.07