Finding the Third Proportional to 4,976.63 and 9,953.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,976.63 : 9,953.25 = 9,953.25 : x
2. Step 2: Convert to fraction form
   4,976.63/9,953.25 = 9,953.25/x
3. Step 3: Cross multiply
   4,976.63x = 9,953.25 × 9,953.25
4. Step 4: Simplify right side
   4,976.63x = 99,067,185.56
5. Step 5: Solve for x
   x = 99,067,185.56/4,976.63
6. Step 6: Final answer
   x = 19,906.50