Finding the Third Proportional to 9,641 and 21,010

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641 : 21,010 = 21,010 : x
2. Step 2: Convert to fraction form
   9,641/21,010 = 21,010/x
3. Step 3: Cross multiply
   9,641x = 21,010 × 21,010
4. Step 4: Simplify right side
   9,641x = 441,420,100
5. Step 5: Solve for x
   x = 441,420,100/9,641
6. Step 6: Final answer
   x = 45,785.72