Finding the Third Proportional to 67,206 and 146,508

Step by Step Solution

1. Step 1: Write the proportion equation
   67,206 : 146,508 = 146,508 : x
2. Step 2: Convert to fraction form
   67,206/146,508 = 146,508/x
3. Step 3: Cross multiply
   67,206x = 146,508 × 146,508
4. Step 4: Simplify right side
   67,206x = 21,464,594,064
5. Step 5: Solve for x
   x = 21,464,594,064/67,206
6. Step 6: Final answer
   x = 319,385.09