Finding the Third Proportional to 9,945.75 and 21,448.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.75 : 21,448.25 = 21,448.25 : x
2. Step 2: Convert to fraction form
   9,945.75/21,448.25 = 21,448.25/x
3. Step 3: Cross multiply
   9,945.75x = 21,448.25 × 21,448.25
4. Step 4: Simplify right side
   9,945.75x = 460,027,428.06
5. Step 5: Solve for x
   x = 460,027,428.06/9,945.75
6. Step 6: Final answer
   x = 46,253.67