Finding the Third Proportional to 146,989.50 and 322,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,989.50 : 322,004.50 = 322,004.50 : x
2. Step 2: Convert to fraction form
   146,989.50/322,004.50 = 322,004.50/x
3. Step 3: Cross multiply
   146,989.50x = 322,004.50 × 322,004.50
4. Step 4: Simplify right side
   146,989.50x = 103,686,898,020.25
5. Step 5: Solve for x
   x = 103,686,898,020.25/146,989.50
6. Step 6: Final answer
   x = 705,403.43