Finding the Third Proportional to 67,336 and 141,772

Step by Step Solution

1. Step 1: Write the proportion equation
   67,336 : 141,772 = 141,772 : x
2. Step 2: Convert to fraction form
   67,336/141,772 = 141,772/x
3. Step 3: Cross multiply
   67,336x = 141,772 × 141,772
4. Step 4: Simplify right side
   67,336x = 20,099,299,984
5. Step 5: Solve for x
   x = 20,099,299,984/67,336
6. Step 6: Final answer
   x = 298,492.63