Finding the Third Proportional to 10,469 and 14,905

Step by Step Solution

1. Step 1: Write the proportion equation
   10,469 : 14,905 = 14,905 : x
2. Step 2: Convert to fraction form
   10,469/14,905 = 14,905/x
3. Step 3: Cross multiply
   10,469x = 14,905 × 14,905
4. Step 4: Simplify right side
   10,469x = 222,159,025
5. Step 5: Solve for x
   x = 222,159,025/10,469
6. Step 6: Final answer
   x = 21,220.65