Finding the Third Proportional to 21,608 and 46,905

Step by Step Solution

1. Step 1: Write the proportion equation
   21,608 : 46,905 = 46,905 : x
2. Step 2: Convert to fraction form
   21,608/46,905 = 46,905/x
3. Step 3: Cross multiply
   21,608x = 46,905 × 46,905
4. Step 4: Simplify right side
   21,608x = 2,200,079,025
5. Step 5: Solve for x
   x = 2,200,079,025/21,608
6. Step 6: Final answer
   x = 101,817.80