Finding the Third Proportional to 79,429 and 123,500

Step by Step Solution

1. Step 1: Write the proportion equation
   79,429 : 123,500 = 123,500 : x
2. Step 2: Convert to fraction form
   79,429/123,500 = 123,500/x
3. Step 3: Cross multiply
   79,429x = 123,500 × 123,500
4. Step 4: Simplify right side
   79,429x = 15,252,250,000
5. Step 5: Solve for x
   x = 15,252,250,000/79,429
6. Step 6: Final answer
   x = 192,023.69