Finding the Third Proportional to 21,215 and 32,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,215 : 32,380.50 = 32,380.50 : x
2. Step 2: Convert to fraction form
   21,215/32,380.50 = 32,380.50/x
3. Step 3: Cross multiply
   21,215x = 32,380.50 × 32,380.50
4. Step 4: Simplify right side
   21,215x = 1,048,496,780.25
5. Step 5: Solve for x
   x = 1,048,496,780.25/21,215
6. Step 6: Final answer
   x = 49,422.43