Finding the Third Proportional to 55,409.50 and 122,483

Step by Step Solution

1. Step 1: Write the proportion equation
   55,409.50 : 122,483 = 122,483 : x
2. Step 2: Convert to fraction form
   55,409.50/122,483 = 122,483/x
3. Step 3: Cross multiply
   55,409.50x = 122,483 × 122,483
4. Step 4: Simplify right side
   55,409.50x = 15,002,085,289
5. Step 5: Solve for x
   x = 15,002,085,289/55,409.50
6. Step 6: Final answer
   x = 270,749.34