Finding the Third Proportional to 41,518 and 90,830

Step by Step Solution

1. Step 1: Write the proportion equation
   41,518 : 90,830 = 90,830 : x
2. Step 2: Convert to fraction form
   41,518/90,830 = 90,830/x
3. Step 3: Cross multiply
   41,518x = 90,830 × 90,830
4. Step 4: Simplify right side
   41,518x = 8,250,088,900
5. Step 5: Solve for x
   x = 8,250,088,900/41,518
6. Step 6: Final answer
   x = 198,711.13