Finding the Third Proportional to 9,208.69 and 21,244.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,208.69 : 21,244.78 = 21,244.78 : x
2. Step 2: Convert to fraction form
   9,208.69/21,244.78 = 21,244.78/x
3. Step 3: Cross multiply
   9,208.69x = 21,244.78 × 21,244.78
4. Step 4: Simplify right side
   9,208.69x = 451,340,730.36
5. Step 5: Solve for x
   x = 451,340,730.36/9,208.69
6. Step 6: Final answer
   x = 49,012.49