Finding the Third Proportional to 21,404 and 46,912

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404 : 46,912 = 46,912 : x
2. Step 2: Convert to fraction form
   21,404/46,912 = 46,912/x
3. Step 3: Cross multiply
   21,404x = 46,912 × 46,912
4. Step 4: Simplify right side
   21,404x = 2,200,735,744
5. Step 5: Solve for x
   x = 2,200,735,744/21,404
6. Step 6: Final answer
   x = 102,818.90