Finding the Third Proportional to 140,648 and 303,284

Step by Step Solution

1. Step 1: Write the proportion equation
   140,648 : 303,284 = 303,284 : x
2. Step 2: Convert to fraction form
   140,648/303,284 = 303,284/x
3. Step 3: Cross multiply
   140,648x = 303,284 × 303,284
4. Step 4: Simplify right side
   140,648x = 91,981,184,656
5. Step 5: Solve for x
   x = 91,981,184,656/140,648
6. Step 6: Final answer
   x = 653,981.46