Finding the Third Proportional to 21,018 and 32,543

Step by Step Solution

1. Step 1: Write the proportion equation
   21,018 : 32,543 = 32,543 : x
2. Step 2: Convert to fraction form
   21,018/32,543 = 32,543/x
3. Step 3: Cross multiply
   21,018x = 32,543 × 32,543
4. Step 4: Simplify right side
   21,018x = 1,059,046,849
5. Step 5: Solve for x
   x = 1,059,046,849/21,018
6. Step 6: Final answer
   x = 50,387.61