Finding the Third Proportional to 21,288.75 and 32,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,288.75 : 32,227.50 = 32,227.50 : x
2. Step 2: Convert to fraction form
   21,288.75/32,227.50 = 32,227.50/x
3. Step 3: Cross multiply
   21,288.75x = 32,227.50 × 32,227.50
4. Step 4: Simplify right side
   21,288.75x = 1,038,611,756.25
5. Step 5: Solve for x
   x = 1,038,611,756.25/21,288.75
6. Step 6: Final answer
   x = 48,786.88