Finding the Third Proportional to 21,400 and 32,909

Step by Step Solution

1. Step 1: Write the proportion equation
   21,400 : 32,909 = 32,909 : x
2. Step 2: Convert to fraction form
   21,400/32,909 = 32,909/x
3. Step 3: Cross multiply
   21,400x = 32,909 × 32,909
4. Step 4: Simplify right side
   21,400x = 1,083,002,281
5. Step 5: Solve for x
   x = 1,083,002,281/21,400
6. Step 6: Final answer
   x = 50,607.58