Finding the Third Proportional to 9,640.88 and 19,550.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.88 : 19,550.25 = 19,550.25 : x
2. Step 2: Convert to fraction form
   9,640.88/19,550.25 = 19,550.25/x
3. Step 3: Cross multiply
   9,640.88x = 19,550.25 × 19,550.25
4. Step 4: Simplify right side
   9,640.88x = 382,212,275.06
5. Step 5: Solve for x
   x = 382,212,275.06/9,640.88
6. Step 6: Final answer
   x = 39,644.98