Finding the Third Proportional to 41,749.49 and 73,580.59

Step by Step Solution

1. Step 1: Write the proportion equation
   41,749.49 : 73,580.59 = 73,580.59 : x
2. Step 2: Convert to fraction form
   41,749.49/73,580.59 = 73,580.59/x
3. Step 3: Cross multiply
   41,749.49x = 73,580.59 × 73,580.59
4. Step 4: Simplify right side
   41,749.49x = 5,414,103,201.75
5. Step 5: Solve for x
   x = 5,414,103,201.75/41,749.49
6. Step 6: Final answer
   x = 129,680.71