Finding the Third Proportional to 21,019 and 43,010

Step by Step Solution

1. Step 1: Write the proportion equation
   21,019 : 43,010 = 43,010 : x
2. Step 2: Convert to fraction form
   21,019/43,010 = 43,010/x
3. Step 3: Cross multiply
   21,019x = 43,010 × 43,010
4. Step 4: Simplify right side
   21,019x = 1,849,860,100
5. Step 5: Solve for x
   x = 1,849,860,100/21,019
6. Step 6: Final answer
   x = 88,008.95