Finding the Third Proportional to 9,655.25 and 21,155.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,655.25 : 21,155.88 = 21,155.88 : x
2. Step 2: Convert to fraction form
   9,655.25/21,155.88 = 21,155.88/x
3. Step 3: Cross multiply
   9,655.25x = 21,155.88 × 21,155.88
4. Step 4: Simplify right side
   9,655.25x = 447,571,047.02
5. Step 5: Solve for x
   x = 447,571,047.02/9,655.25
6. Step 6: Final answer
   x = 46,355.20