Finding the Third Proportional to 3,569,578 and 5,438,021

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569,578 : 5,438,021 = 5,438,021 : x
2. Step 2: Convert to fraction form
   3,569,578/5,438,021 = 5,438,021/x
3. Step 3: Cross multiply
   3,569,578x = 5,438,021 × 5,438,021
4. Step 4: Simplify right side
   3,569,578x = 29,572,072,396,441
5. Step 5: Solve for x
   x = 29,572,072,396,441/3,569,578
6. Step 6: Final answer
   x = 8,284,472.95