Finding the Third Proportional to 9,854 and 21,254

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854 : 21,254 = 21,254 : x
2. Step 2: Convert to fraction form
   9,854/21,254 = 21,254/x
3. Step 3: Cross multiply
   9,854x = 21,254 × 21,254
4. Step 4: Simplify right side
   9,854x = 451,732,516
5. Step 5: Solve for x
   x = 451,732,516/9,854
6. Step 6: Final answer
   x = 45,842.55