Finding the Third Proportional to 78,065.44 and 123,491.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,065.44 : 123,491.81 = 123,491.81 : x
2. Step 2: Convert to fraction form
   78,065.44/123,491.81 = 123,491.81/x
3. Step 3: Cross multiply
   78,065.44x = 123,491.81 × 123,491.81
4. Step 4: Simplify right side
   78,065.44x = 15,250,227,754.54
5. Step 5: Solve for x
   x = 15,250,227,754.54/78,065.44
6. Step 6: Final answer
   x = 195,351.85