Finding the Third Proportional to 50,422.50 and 73,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,422.50 : 73,021.50 = 73,021.50 : x
2. Step 2: Convert to fraction form
   50,422.50/73,021.50 = 73,021.50/x
3. Step 3: Cross multiply
   50,422.50x = 73,021.50 × 73,021.50
4. Step 4: Simplify right side
   50,422.50x = 5,332,139,462.25
5. Step 5: Solve for x
   x = 5,332,139,462.25/50,422.50
6. Step 6: Final answer
   x = 105,749.21