Finding the Third Proportional to 3,542,592 and 5,639,706

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,592 : 5,639,706 = 5,639,706 : x
2. Step 2: Convert to fraction form
   3,542,592/5,639,706 = 5,639,706/x
3. Step 3: Cross multiply
   3,542,592x = 5,639,706 × 5,639,706
4. Step 4: Simplify right side
   3,542,592x = 31,806,283,766,436
5. Step 5: Solve for x
   x = 31,806,283,766,436/3,542,592
6. Step 6: Final answer
   x = 8,978,252.02