Finding the Third Proportional to 146,485.50 and 313,707

Step by Step Solution

1. Step 1: Write the proportion equation
   146,485.50 : 313,707 = 313,707 : x
2. Step 2: Convert to fraction form
   146,485.50/313,707 = 313,707/x
3. Step 3: Cross multiply
   146,485.50x = 313,707 × 313,707
4. Step 4: Simplify right side
   146,485.50x = 98,412,081,849
5. Step 5: Solve for x
   x = 98,412,081,849/146,485.50
6. Step 6: Final answer
   x = 671,821.32