Finding the Third Proportional to 67,709.25 and 146,718

Step by Step Solution

1. Step 1: Write the proportion equation
   67,709.25 : 146,718 = 146,718 : x
2. Step 2: Convert to fraction form
   67,709.25/146,718 = 146,718/x
3. Step 3: Cross multiply
   67,709.25x = 146,718 × 146,718
4. Step 4: Simplify right side
   67,709.25x = 21,526,171,524
5. Step 5: Solve for x
   x = 21,526,171,524/67,709.25
6. Step 6: Final answer
   x = 317,920.69