Finding the Third Proportional to 51,212.25 and 111,764.81

Step by Step Solution

1. Step 1: Write the proportion equation
   51,212.25 : 111,764.81 = 111,764.81 : x
2. Step 2: Convert to fraction form
   51,212.25/111,764.81 = 111,764.81/x
3. Step 3: Cross multiply
   51,212.25x = 111,764.81 × 111,764.81
4. Step 4: Simplify right side
   51,212.25x = 12,491,373,313.16
5. Step 5: Solve for x
   x = 12,491,373,313.16/51,212.25
6. Step 6: Final answer
   x = 243,913.78