Finding the Third Proportional to 79,734 and 123,380

Step by Step Solution

1. Step 1: Write the proportion equation
   79,734 : 123,380 = 123,380 : x
2. Step 2: Convert to fraction form
   79,734/123,380 = 123,380/x
3. Step 3: Cross multiply
   79,734x = 123,380 × 123,380
4. Step 4: Simplify right side
   79,734x = 15,222,624,400
5. Step 5: Solve for x
   x = 15,222,624,400/79,734
6. Step 6: Final answer
   x = 190,917.61