Finding the Third Proportional to 19,580 and 41,930

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580 : 41,930 = 41,930 : x
2. Step 2: Convert to fraction form
   19,580/41,930 = 41,930/x
3. Step 3: Cross multiply
   19,580x = 41,930 × 41,930
4. Step 4: Simplify right side
   19,580x = 1,758,124,900
5. Step 5: Solve for x
   x = 1,758,124,900/19,580
6. Step 6: Final answer
   x = 89,791.87