Finding the Third Proportional to 144,440.72 and 322,073.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,440.72 : 322,073.72 = 322,073.72 : x
2. Step 2: Convert to fraction form
   144,440.72/322,073.72 = 322,073.72/x
3. Step 3: Cross multiply
   144,440.72x = 322,073.72 × 322,073.72
4. Step 4: Simplify right side
   144,440.72x = 103,731,480,309.45
5. Step 5: Solve for x
   x = 103,731,480,309.45/144,440.72
6. Step 6: Final answer
   x = 718,159.54