Finding the Third Proportional to 20,423 and 32,578.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,423 : 32,578.50 = 32,578.50 : x
2. Step 2: Convert to fraction form
   20,423/32,578.50 = 32,578.50/x
3. Step 3: Cross multiply
   20,423x = 32,578.50 × 32,578.50
4. Step 4: Simplify right side
   20,423x = 1,061,358,662.25
5. Step 5: Solve for x
   x = 1,061,358,662.25/20,423
6. Step 6: Final answer
   x = 51,968.79