Finding the Third Proportional to 9,945 and 21,803.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945 : 21,803.25 = 21,803.25 : x
2. Step 2: Convert to fraction form
   9,945/21,803.25 = 21,803.25/x
3. Step 3: Cross multiply
   9,945x = 21,803.25 × 21,803.25
4. Step 4: Simplify right side
   9,945x = 475,381,710.56
5. Step 5: Solve for x
   x = 475,381,710.56/9,945
6. Step 6: Final answer
   x = 47,801.08