Finding the Third Proportional to 10,276 and 20,947

Step by Step Solution

1. Step 1: Write the proportion equation
   10,276 : 20,947 = 20,947 : x
2. Step 2: Convert to fraction form
   10,276/20,947 = 20,947/x
3. Step 3: Cross multiply
   10,276x = 20,947 × 20,947
4. Step 4: Simplify right side
   10,276x = 438,776,809
5. Step 5: Solve for x
   x = 438,776,809/10,276
6. Step 6: Final answer
   x = 42,699.18