Finding the Third Proportional to 67,174.88 and 146,630.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,174.88 : 146,630.25 = 146,630.25 : x
2. Step 2: Convert to fraction form
   67,174.88/146,630.25 = 146,630.25/x
3. Step 3: Cross multiply
   67,174.88x = 146,630.25 × 146,630.25
4. Step 4: Simplify right side
   67,174.88x = 21,500,430,215.06
5. Step 5: Solve for x
   x = 21,500,430,215.06/67,174.88
6. Step 6: Final answer
   x = 320,066.55