Finding the Third Proportional to 4,066,056 and 8,469,213

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,056 : 8,469,213 = 8,469,213 : x
2. Step 2: Convert to fraction form
   4,066,056/8,469,213 = 8,469,213/x
3. Step 3: Cross multiply
   4,066,056x = 8,469,213 × 8,469,213
4. Step 4: Simplify right side
   4,066,056x = 71,727,568,839,369
5. Step 5: Solve for x
   x = 71,727,568,839,369/4,066,056
6. Step 6: Final answer
   x = 17,640,575.74