Finding the Third Proportional to 1,806,840 and 3,928,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,840 : 3,928,596 = 3,928,596 : x
2. Step 2: Convert to fraction form
   1,806,840/3,928,596 = 3,928,596/x
3. Step 3: Cross multiply
   1,806,840x = 3,928,596 × 3,928,596
4. Step 4: Simplify right side
   1,806,840x = 15,433,866,531,216
5. Step 5: Solve for x
   x = 15,433,866,531,216/1,806,840
6. Step 6: Final answer
   x = 8,541,911.03