Finding the Third Proportional to 21,453 and 32,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,453 : 32,817.50 = 32,817.50 : x
2. Step 2: Convert to fraction form
   21,453/32,817.50 = 32,817.50/x
3. Step 3: Cross multiply
   21,453x = 32,817.50 × 32,817.50
4. Step 4: Simplify right side
   21,453x = 1,076,988,306.25
5. Step 5: Solve for x
   x = 1,076,988,306.25/21,453
6. Step 6: Final answer
   x = 50,202.22