Finding the Third Proportional to 79,678.69 and 111,450.94

Step by Step Solution

1. Step 1: Write the proportion equation
   79,678.69 : 111,450.94 = 111,450.94 : x
2. Step 2: Convert to fraction form
   79,678.69/111,450.94 = 111,450.94/x
3. Step 3: Cross multiply
   79,678.69x = 111,450.94 × 111,450.94
4. Step 4: Simplify right side
   79,678.69x = 12,421,311,469.63
5. Step 5: Solve for x
   x = 12,421,311,469.63/79,678.69
6. Step 6: Final answer
   x = 155,892.52