Finding the Third Proportional to 79,419 and 123,485

Step by Step Solution

1. Step 1: Write the proportion equation
   79,419 : 123,485 = 123,485 : x
2. Step 2: Convert to fraction form
   79,419/123,485 = 123,485/x
3. Step 3: Cross multiply
   79,419x = 123,485 × 123,485
4. Step 4: Simplify right side
   79,419x = 15,248,545,225
5. Step 5: Solve for x
   x = 15,248,545,225/79,419
6. Step 6: Final answer
   x = 192,001.22