Finding the Third Proportional to 144,745.50 and 314,244

Step by Step Solution

1. Step 1: Write the proportion equation
   144,745.50 : 314,244 = 314,244 : x
2. Step 2: Convert to fraction form
   144,745.50/314,244 = 314,244/x
3. Step 3: Cross multiply
   144,745.50x = 314,244 × 314,244
4. Step 4: Simplify right side
   144,745.50x = 98,749,291,536
5. Step 5: Solve for x
   x = 98,749,291,536/144,745.50
6. Step 6: Final answer
   x = 682,227.02