Finding the Third Proportional to 21,620 and 32,442

Step by Step Solution

1. Step 1: Write the proportion equation
   21,620 : 32,442 = 32,442 : x
2. Step 2: Convert to fraction form
   21,620/32,442 = 32,442/x
3. Step 3: Cross multiply
   21,620x = 32,442 × 32,442
4. Step 4: Simplify right side
   21,620x = 1,052,483,364
5. Step 5: Solve for x
   x = 1,052,483,364/21,620
6. Step 6: Final answer
   x = 48,681.01