Finding the Third Proportional to 1,806,888 and 3,928,692

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,888 : 3,928,692 = 3,928,692 : x
2. Step 2: Convert to fraction form
   1,806,888/3,928,692 = 3,928,692/x
3. Step 3: Cross multiply
   1,806,888x = 3,928,692 × 3,928,692
4. Step 4: Simplify right side
   1,806,888x = 15,434,620,830,864
5. Step 5: Solve for x
   x = 15,434,620,830,864/1,806,888
6. Step 6: Final answer
   x = 8,542,101.58