Finding the Third Proportional to 45,461.25 and 72,189.56

Step by Step Solution

1. Step 1: Write the proportion equation
   45,461.25 : 72,189.56 = 72,189.56 : x
2. Step 2: Convert to fraction form
   45,461.25/72,189.56 = 72,189.56/x
3. Step 3: Cross multiply
   45,461.25x = 72,189.56 × 72,189.56
4. Step 4: Simplify right side
   45,461.25x = 5,211,332,933.94
5. Step 5: Solve for x
   x = 5,211,332,933.94/45,461.25
6. Step 6: Final answer
   x = 114,632.42