Finding the Third Proportional to 144,404.95 and 322,013.30

Step by Step Solution

1. Step 1: Write the proportion equation
   144,404.95 : 322,013.30 = 322,013.30 : x
2. Step 2: Convert to fraction form
   144,404.95/322,013.30 = 322,013.30/x
3. Step 3: Cross multiply
   144,404.95x = 322,013.30 × 322,013.30
4. Step 4: Simplify right side
   144,404.95x = 103,692,563,364.31
5. Step 5: Solve for x
   x = 103,692,563,364.31/144,404.95
6. Step 6: Final answer
   x = 718,067.91