Finding the Third Proportional to 20,106 and 21,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,106 : 21,928.50 = 21,928.50 : x
2. Step 2: Convert to fraction form
   20,106/21,928.50 = 21,928.50/x
3. Step 3: Cross multiply
   20,106x = 21,928.50 × 21,928.50
4. Step 4: Simplify right side
   20,106x = 480,859,112.25
5. Step 5: Solve for x
   x = 480,859,112.25/20,106
6. Step 6: Final answer
   x = 23,916.20