Finding the Third Proportional to 10,995 and 21,439.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995 : 21,439.50 = 21,439.50 : x
2. Step 2: Convert to fraction form
   10,995/21,439.50 = 21,439.50/x
3. Step 3: Cross multiply
   10,995x = 21,439.50 × 21,439.50
4. Step 4: Simplify right side
   10,995x = 459,652,160.25
5. Step 5: Solve for x
   x = 459,652,160.25/10,995
6. Step 6: Final answer
   x = 41,805.56