Finding the Third Proportional to 67,708 and 146,716

Step by Step Solution

1. Step 1: Write the proportion equation
   67,708 : 146,716 = 146,716 : x
2. Step 2: Convert to fraction form
   67,708/146,716 = 146,716/x
3. Step 3: Cross multiply
   67,708x = 146,716 × 146,716
4. Step 4: Simplify right side
   67,708x = 21,525,584,656
5. Step 5: Solve for x
   x = 21,525,584,656/67,708
6. Step 6: Final answer
   x = 317,917.89