Finding the Third Proportional to 45,945 and 72,198

Step by Step Solution

1. Step 1: Write the proportion equation
   45,945 : 72,198 = 72,198 : x
2. Step 2: Convert to fraction form
   45,945/72,198 = 72,198/x
3. Step 3: Cross multiply
   45,945x = 72,198 × 72,198
4. Step 4: Simplify right side
   45,945x = 5,212,551,204
5. Step 5: Solve for x
   x = 5,212,551,204/45,945
6. Step 6: Final answer
   x = 113,451.98