Finding the Third Proportional to 3,569,866 and 5,438,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569,866 : 5,438,440 = 5,438,440 : x
2. Step 2: Convert to fraction form
   3,569,866/5,438,440 = 5,438,440/x
3. Step 3: Cross multiply
   3,569,866x = 5,438,440 × 5,438,440
4. Step 4: Simplify right side
   3,569,866x = 29,576,629,633,600
5. Step 5: Solve for x
   x = 29,576,629,633,600/3,569,866
6. Step 6: Final answer
   x = 8,285,081.19