Finding the Third Proportional to 144,443.25 and 322,079.25

Step by Step Solution

1. Step 1: Write the proportion equation
   144,443.25 : 322,079.25 = 322,079.25 : x
2. Step 2: Convert to fraction form
   144,443.25/322,079.25 = 322,079.25/x
3. Step 3: Cross multiply
   144,443.25x = 322,079.25 × 322,079.25
4. Step 4: Simplify right side
   144,443.25x = 103,735,043,280.56
5. Step 5: Solve for x
   x = 103,735,043,280.56/144,443.25
6. Step 6: Final answer
   x = 718,171.62