Finding the Third Proportional to 79,072 and 123,143

Step by Step Solution

1. Step 1: Write the proportion equation
   79,072 : 123,143 = 123,143 : x
2. Step 2: Convert to fraction form
   79,072/123,143 = 123,143/x
3. Step 3: Cross multiply
   79,072x = 123,143 × 123,143
4. Step 4: Simplify right side
   79,072x = 15,164,198,449
5. Step 5: Solve for x
   x = 15,164,198,449/79,072
6. Step 6: Final answer
   x = 191,777.09