Finding the Third Proportional to 79,112 and 105,679

Step by Step Solution

1. Step 1: Write the proportion equation
   79,112 : 105,679 = 105,679 : x
2. Step 2: Convert to fraction form
   79,112/105,679 = 105,679/x
3. Step 3: Cross multiply
   79,112x = 105,679 × 105,679
4. Step 4: Simplify right side
   79,112x = 11,168,051,041
5. Step 5: Solve for x
   x = 11,168,051,041/79,112
6. Step 6: Final answer
   x = 141,167.60