Finding the Third Proportional to 79,491.38 and 111,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   79,491.38 : 111,405.38 = 111,405.38 : x
2. Step 2: Convert to fraction form
   79,491.38/111,405.38 = 111,405.38/x
3. Step 3: Cross multiply
   79,491.38x = 111,405.38 × 111,405.38
4. Step 4: Simplify right side
   79,491.38x = 12,411,157,578.89
5. Step 5: Solve for x
   x = 12,411,157,578.89/79,491.38
6. Step 6: Final answer
   x = 156,132.13