Finding the Third Proportional to 144,758 and 322,726

Step by Step Solution

1. Step 1: Write the proportion equation
   144,758 : 322,726 = 322,726 : x
2. Step 2: Convert to fraction form
   144,758/322,726 = 322,726/x
3. Step 3: Cross multiply
   144,758x = 322,726 × 322,726
4. Step 4: Simplify right side
   144,758x = 104,152,071,076
5. Step 5: Solve for x
   x = 104,152,071,076/144,758
6. Step 6: Final answer
   x = 719,490.95