Finding the Third Proportional to 41,990 and 58,705

Step by Step Solution

1. Step 1: Write the proportion equation
   41,990 : 58,705 = 58,705 : x
2. Step 2: Convert to fraction form
   41,990/58,705 = 58,705/x
3. Step 3: Cross multiply
   41,990x = 58,705 × 58,705
4. Step 4: Simplify right side
   41,990x = 3,446,277,025
5. Step 5: Solve for x
   x = 3,446,277,025/41,990
6. Step 6: Final answer
   x = 82,073.76