Finding the Third Proportional to 10,656 and 21,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,656 : 21,649.50 = 21,649.50 : x
2. Step 2: Convert to fraction form
   10,656/21,649.50 = 21,649.50/x
3. Step 3: Cross multiply
   10,656x = 21,649.50 × 21,649.50
4. Step 4: Simplify right side
   10,656x = 468,700,850.25
5. Step 5: Solve for x
   x = 468,700,850.25/10,656
6. Step 6: Final answer
   x = 43,984.69