Finding the Third Proportional to 79,282 and 123,155

Step by Step Solution

1. Step 1: Write the proportion equation
   79,282 : 123,155 = 123,155 : x
2. Step 2: Convert to fraction form
   79,282/123,155 = 123,155/x
3. Step 3: Cross multiply
   79,282x = 123,155 × 123,155
4. Step 4: Simplify right side
   79,282x = 15,167,154,025
5. Step 5: Solve for x
   x = 15,167,154,025/79,282
6. Step 6: Final answer
   x = 191,306.40