Finding the Third Proportional to 12,996 and 20,045.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996 : 20,045.25 = 20,045.25 : x
2. Step 2: Convert to fraction form
   12,996/20,045.25 = 20,045.25/x
3. Step 3: Cross multiply
   12,996x = 20,045.25 × 20,045.25
4. Step 4: Simplify right side
   12,996x = 401,812,047.56
5. Step 5: Solve for x
   x = 401,812,047.56/12,996
6. Step 6: Final answer
   x = 30,918.13