Finding the Third Proportional to 79,110.56 and 105,678.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,110.56 : 105,678.56 = 105,678.56 : x
2. Step 2: Convert to fraction form
   79,110.56/105,678.56 = 105,678.56/x
3. Step 3: Cross multiply
   79,110.56x = 105,678.56 × 105,678.56
4. Step 4: Simplify right side
   79,110.56x = 11,167,958,572.07
5. Step 5: Solve for x
   x = 11,167,958,572.07/79,110.56
6. Step 6: Final answer
   x = 141,168.99