Finding the Third Proportional to 10,226.50 and 21,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,226.50 : 21,909.50 = 21,909.50 : x
2. Step 2: Convert to fraction form
   10,226.50/21,909.50 = 21,909.50/x
3. Step 3: Cross multiply
   10,226.50x = 21,909.50 × 21,909.50
4. Step 4: Simplify right side
   10,226.50x = 480,026,190.25
5. Step 5: Solve for x
   x = 480,026,190.25/10,226.50
6. Step 6: Final answer
   x = 46,939.44