Finding the Third Proportional to 20,749.50 and 49,860

Step by Step Solution

1. Step 1: Write the proportion equation
   20,749.50 : 49,860 = 49,860 : x
2. Step 2: Convert to fraction form
   20,749.50/49,860 = 49,860/x
3. Step 3: Cross multiply
   20,749.50x = 49,860 × 49,860
4. Step 4: Simplify right side
   20,749.50x = 2,486,019,600
5. Step 5: Solve for x
   x = 2,486,019,600/20,749.50
6. Step 6: Final answer
   x = 119,811.06