Finding the Third Proportional to 46,228 and 98,990

Step by Step Solution

1. Step 1: Write the proportion equation
   46,228 : 98,990 = 98,990 : x
2. Step 2: Convert to fraction form
   46,228/98,990 = 98,990/x
3. Step 3: Cross multiply
   46,228x = 98,990 × 98,990
4. Step 4: Simplify right side
   46,228x = 9,799,020,100
5. Step 5: Solve for x
   x = 9,799,020,100/46,228
6. Step 6: Final answer
   x = 211,971.53