Finding the Third Proportional to 27,320 and 57,580

Step by Step Solution

1. Step 1: Write the proportion equation
   27,320 : 57,580 = 57,580 : x
2. Step 2: Convert to fraction form
   27,320/57,580 = 57,580/x
3. Step 3: Cross multiply
   27,320x = 57,580 × 57,580
4. Step 4: Simplify right side
   27,320x = 3,315,456,400
5. Step 5: Solve for x
   x = 3,315,456,400/27,320
6. Step 6: Final answer
   x = 121,356.38