Finding the Third Proportional to 50,469.50 and 79,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,469.50 : 79,178.50 = 79,178.50 : x
2. Step 2: Convert to fraction form
   50,469.50/79,178.50 = 79,178.50/x
3. Step 3: Cross multiply
   50,469.50x = 79,178.50 × 79,178.50
4. Step 4: Simplify right side
   50,469.50x = 6,269,234,862.25
5. Step 5: Solve for x
   x = 6,269,234,862.25/50,469.50
6. Step 6: Final answer
   x = 124,218.29