Finding the Third Proportional to 67,904 and 147,856

Step by Step Solution

1. Step 1: Write the proportion equation
   67,904 : 147,856 = 147,856 : x
2. Step 2: Convert to fraction form
   67,904/147,856 = 147,856/x
3. Step 3: Cross multiply
   67,904x = 147,856 × 147,856
4. Step 4: Simplify right side
   67,904x = 21,861,396,736
5. Step 5: Solve for x
   x = 21,861,396,736/67,904
6. Step 6: Final answer
   x = 321,945.64