Finding the Third Proportional to 141,391 and 303,021.25

Step by Step Solution

1. Step 1: Write the proportion equation
   141,391 : 303,021.25 = 303,021.25 : x
2. Step 2: Convert to fraction form
   141,391/303,021.25 = 303,021.25/x
3. Step 3: Cross multiply
   141,391x = 303,021.25 × 303,021.25
4. Step 4: Simplify right side
   141,391x = 91,821,877,951.56
5. Step 5: Solve for x
   x = 91,821,877,951.56/141,391
6. Step 6: Final answer
   x = 649,418.12