Finding the Third Proportional to 19,489.36 and 45,545.41

Step by Step Solution

1. Step 1: Write the proportion equation
   19,489.36 : 45,545.41 = 45,545.41 : x
2. Step 2: Convert to fraction form
   19,489.36/45,545.41 = 45,545.41/x
3. Step 3: Cross multiply
   19,489.36x = 45,545.41 × 45,545.41
4. Step 4: Simplify right side
   19,489.36x = 2,074,384,742.12
5. Step 5: Solve for x
   x = 2,074,384,742.12/19,489.36
6. Step 6: Final answer
   x = 106,436.78