Finding the Third Proportional to 10,199.25 and 21,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,199.25 : 21,621.94 = 21,621.94 : x
2. Step 2: Convert to fraction form
   10,199.25/21,621.94 = 21,621.94/x
3. Step 3: Cross multiply
   10,199.25x = 21,621.94 × 21,621.94
4. Step 4: Simplify right side
   10,199.25x = 467,508,181.25
5. Step 5: Solve for x
   x = 467,508,181.25/10,199.25
6. Step 6: Final answer
   x = 45,837.51