Finding the Third Proportional to 67,856 and 149,488

Step by Step Solution

1. Step 1: Write the proportion equation
   67,856 : 149,488 = 149,488 : x
2. Step 2: Convert to fraction form
   67,856/149,488 = 149,488/x
3. Step 3: Cross multiply
   67,856x = 149,488 × 149,488
4. Step 4: Simplify right side
   67,856x = 22,346,662,144
5. Step 5: Solve for x
   x = 22,346,662,144/67,856
6. Step 6: Final answer
   x = 329,324.78