Finding the Third Proportional to 30,580 and 62,456

Step by Step Solution

1. Step 1: Write the proportion equation
   30,580 : 62,456 = 62,456 : x
2. Step 2: Convert to fraction form
   30,580/62,456 = 62,456/x
3. Step 3: Cross multiply
   30,580x = 62,456 × 62,456
4. Step 4: Simplify right side
   30,580x = 3,900,751,936
5. Step 5: Solve for x
   x = 3,900,751,936/30,580
6. Step 6: Final answer
   x = 127,558.93