Finding the Third Proportional to 20,416.50 and 21,822.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,416.50 : 21,822.75 = 21,822.75 : x
2. Step 2: Convert to fraction form
   20,416.50/21,822.75 = 21,822.75/x
3. Step 3: Cross multiply
   20,416.50x = 21,822.75 × 21,822.75
4. Step 4: Simplify right side
   20,416.50x = 476,232,417.56
5. Step 5: Solve for x
   x = 476,232,417.56/20,416.50
6. Step 6: Final answer
   x = 23,325.86