Finding the Third Proportional to 10,446.75 and 21,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,446.75 : 21,919.50 = 21,919.50 : x
2. Step 2: Convert to fraction form
   10,446.75/21,919.50 = 21,919.50/x
3. Step 3: Cross multiply
   10,446.75x = 21,919.50 × 21,919.50
4. Step 4: Simplify right side
   10,446.75x = 480,464,480.25
5. Step 5: Solve for x
   x = 480,464,480.25/10,446.75
6. Step 6: Final answer
   x = 45,991.77