Finding the Third Proportional to 146,821.50 and 323,991

Step by Step Solution

1. Step 1: Write the proportion equation
   146,821.50 : 323,991 = 323,991 : x
2. Step 2: Convert to fraction form
   146,821.50/323,991 = 323,991/x
3. Step 3: Cross multiply
   146,821.50x = 323,991 × 323,991
4. Step 4: Simplify right side
   146,821.50x = 104,970,168,081
5. Step 5: Solve for x
   x = 104,970,168,081/146,821.50
6. Step 6: Final answer
   x = 714,950.93