Finding the Third Proportional to 144,763 and 322,736

Step by Step Solution

1. Step 1: Write the proportion equation
   144,763 : 322,736 = 322,736 : x
2. Step 2: Convert to fraction form
   144,763/322,736 = 322,736/x
3. Step 3: Cross multiply
   144,763x = 322,736 × 322,736
4. Step 4: Simplify right side
   144,763x = 104,158,525,696
5. Step 5: Solve for x
   x = 104,158,525,696/144,763
6. Step 6: Final answer
   x = 719,510.69