Finding the Third Proportional to 10,059 and 20,790

Step by Step Solution

1. Step 1: Write the proportion equation
   10,059 : 20,790 = 20,790 : x
2. Step 2: Convert to fraction form
   10,059/20,790 = 20,790/x
3. Step 3: Cross multiply
   10,059x = 20,790 × 20,790
4. Step 4: Simplify right side
   10,059x = 432,224,100
5. Step 5: Solve for x
   x = 432,224,100/10,059
6. Step 6: Final answer
   x = 42,968.89