Finding the Third Proportional to 21,878 and 46,868

Step by Step Solution

1. Step 1: Write the proportion equation
   21,878 : 46,868 = 46,868 : x
2. Step 2: Convert to fraction form
   21,878/46,868 = 46,868/x
3. Step 3: Cross multiply
   21,878x = 46,868 × 46,868
4. Step 4: Simplify right side
   21,878x = 2,196,609,424
5. Step 5: Solve for x
   x = 2,196,609,424/21,878
6. Step 6: Final answer
   x = 100,402.66