Finding the Third Proportional to 10,066.78 and 20,467.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.78 : 20,467.69 = 20,467.69 : x
2. Step 2: Convert to fraction form
   10,066.78/20,467.69 = 20,467.69/x
3. Step 3: Cross multiply
   10,066.78x = 20,467.69 × 20,467.69
4. Step 4: Simplify right side
   10,066.78x = 418,926,231.60
5. Step 5: Solve for x
   x = 418,926,231.60/10,066.78
6. Step 6: Final answer
   x = 41,614.71