Finding the Third Proportional to 20,910 and 32,389

Step by Step Solution

1. Step 1: Write the proportion equation
   20,910 : 32,389 = 32,389 : x
2. Step 2: Convert to fraction form
   20,910/32,389 = 32,389/x
3. Step 3: Cross multiply
   20,910x = 32,389 × 32,389
4. Step 4: Simplify right side
   20,910x = 1,049,047,321
5. Step 5: Solve for x
   x = 1,049,047,321/20,910
6. Step 6: Final answer
   x = 50,169.65