Finding the Third Proportional to 21,820 and 32,911

Step by Step Solution

1. Step 1: Write the proportion equation
   21,820 : 32,911 = 32,911 : x
2. Step 2: Convert to fraction form
   21,820/32,911 = 32,911/x
3. Step 3: Cross multiply
   21,820x = 32,911 × 32,911
4. Step 4: Simplify right side
   21,820x = 1,083,133,921
5. Step 5: Solve for x
   x = 1,083,133,921/21,820
6. Step 6: Final answer
   x = 49,639.50