Finding the Third Proportional to 21,420 and 32,436

Step by Step Solution

1. Step 1: Write the proportion equation
   21,420 : 32,436 = 32,436 : x
2. Step 2: Convert to fraction form
   21,420/32,436 = 32,436/x
3. Step 3: Cross multiply
   21,420x = 32,436 × 32,436
4. Step 4: Simplify right side
   21,420x = 1,052,094,096
5. Step 5: Solve for x
   x = 1,052,094,096/21,420
6. Step 6: Final answer
   x = 49,117.37