Finding the Third Proportional to 51,339 and 111,403

Step by Step Solution

1. Step 1: Write the proportion equation
   51,339 : 111,403 = 111,403 : x
2. Step 2: Convert to fraction form
   51,339/111,403 = 111,403/x
3. Step 3: Cross multiply
   51,339x = 111,403 × 111,403
4. Step 4: Simplify right side
   51,339x = 12,410,628,409
5. Step 5: Solve for x
   x = 12,410,628,409/51,339
6. Step 6: Final answer
   x = 241,738.80