Finding the Third Proportional to 33,379 and 67,679

Step by Step Solution

1. Step 1: Write the proportion equation
   33,379 : 67,679 = 67,679 : x
2. Step 2: Convert to fraction form
   33,379/67,679 = 67,679/x
3. Step 3: Cross multiply
   33,379x = 67,679 × 67,679
4. Step 4: Simplify right side
   33,379x = 4,580,447,041
5. Step 5: Solve for x
   x = 4,580,447,041/33,379
6. Step 6: Final answer
   x = 137,225.41