Finding the Third Proportional to 21,280.13 and 32,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,280.13 : 32,216.50 = 32,216.50 : x
2. Step 2: Convert to fraction form
   21,280.13/32,216.50 = 32,216.50/x
3. Step 3: Cross multiply
   21,280.13x = 32,216.50 × 32,216.50
4. Step 4: Simplify right side
   21,280.13x = 1,037,902,872.25
5. Step 5: Solve for x
   x = 1,037,902,872.25/21,280.13
6. Step 6: Final answer
   x = 48,773.34