Finding the Third Proportional to 45,831 and 73,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,831 : 73,021.50 = 73,021.50 : x
2. Step 2: Convert to fraction form
   45,831/73,021.50 = 73,021.50/x
3. Step 3: Cross multiply
   45,831x = 73,021.50 × 73,021.50
4. Step 4: Simplify right side
   45,831x = 5,332,139,462.25
5. Step 5: Solve for x
   x = 5,332,139,462.25/45,831
6. Step 6: Final answer
   x = 116,343.51