Finding the Third Proportional to 10,142 and 21,793

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142 : 21,793 = 21,793 : x
2. Step 2: Convert to fraction form
   10,142/21,793 = 21,793/x
3. Step 3: Cross multiply
   10,142x = 21,793 × 21,793
4. Step 4: Simplify right side
   10,142x = 474,934,849
5. Step 5: Solve for x
   x = 474,934,849/10,142
6. Step 6: Final answer
   x = 46,828.52