Finding the Third Proportional to 21,482 and 43,570

Step by Step Solution

1. Step 1: Write the proportion equation
   21,482 : 43,570 = 43,570 : x
2. Step 2: Convert to fraction form
   21,482/43,570 = 43,570/x
3. Step 3: Cross multiply
   21,482x = 43,570 × 43,570
4. Step 4: Simplify right side
   21,482x = 1,898,344,900
5. Step 5: Solve for x
   x = 1,898,344,900/21,482
6. Step 6: Final answer
   x = 88,369.10