Finding the Third Proportional to 79,423 and 123,491

Step by Step Solution

1. Step 1: Write the proportion equation
   79,423 : 123,491 = 123,491 : x
2. Step 2: Convert to fraction form
   79,423/123,491 = 123,491/x
3. Step 3: Cross multiply
   79,423x = 123,491 × 123,491
4. Step 4: Simplify right side
   79,423x = 15,250,027,081
5. Step 5: Solve for x
   x = 15,250,027,081/79,423
6. Step 6: Final answer
   x = 192,010.21