Finding the Third Proportional to 67,174.25 and 146,629

Step by Step Solution

1. Step 1: Write the proportion equation
   67,174.25 : 146,629 = 146,629 : x
2. Step 2: Convert to fraction form
   67,174.25/146,629 = 146,629/x
3. Step 3: Cross multiply
   67,174.25x = 146,629 × 146,629
4. Step 4: Simplify right side
   67,174.25x = 21,500,063,641
5. Step 5: Solve for x
   x = 21,500,063,641/67,174.25
6. Step 6: Final answer
   x = 320,064.07