Finding the Third Proportional to 9,635.50 and 21,017

Step by Step Solution

1. Step 1: Write the proportion equation
   9,635.50 : 21,017 = 21,017 : x
2. Step 2: Convert to fraction form
   9,635.50/21,017 = 21,017/x
3. Step 3: Cross multiply
   9,635.50x = 21,017 × 21,017
4. Step 4: Simplify right side
   9,635.50x = 441,714,289
5. Step 5: Solve for x
   x = 441,714,289/9,635.50
6. Step 6: Final answer
   x = 45,842.38