Finding the Third Proportional to 10,197.56 and 21,620.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,197.56 : 21,620.25 = 21,620.25 : x
2. Step 2: Convert to fraction form
   10,197.56/21,620.25 = 21,620.25/x
3. Step 3: Cross multiply
   10,197.56x = 21,620.25 × 21,620.25
4. Step 4: Simplify right side
   10,197.56x = 467,435,210.06
5. Step 5: Solve for x
   x = 467,435,210.06/10,197.56
6. Step 6: Final answer
   x = 45,837.94