Finding the Third Proportional to 10,219.50 and 21,917.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,219.50 : 21,917.25 = 21,917.25 : x
2. Step 2: Convert to fraction form
   10,219.50/21,917.25 = 21,917.25/x
3. Step 3: Cross multiply
   10,219.50x = 21,917.25 × 21,917.25
4. Step 4: Simplify right side
   10,219.50x = 480,365,847.56
5. Step 5: Solve for x
   x = 480,365,847.56/10,219.50
6. Step 6: Final answer
   x = 47,004.83