Finding the Third Proportional to 80,626 and 123,072

Step by Step Solution

1. Step 1: Write the proportion equation
   80,626 : 123,072 = 123,072 : x
2. Step 2: Convert to fraction form
   80,626/123,072 = 123,072/x
3. Step 3: Cross multiply
   80,626x = 123,072 × 123,072
4. Step 4: Simplify right side
   80,626x = 15,146,717,184
5. Step 5: Solve for x
   x = 15,146,717,184/80,626
6. Step 6: Final answer
   x = 187,863.93