Finding the Third Proportional to 1,816,692 and 3,942,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,692 : 3,942,480 = 3,942,480 : x
2. Step 2: Convert to fraction form
   1,816,692/3,942,480 = 3,942,480/x
3. Step 3: Cross multiply
   1,816,692x = 3,942,480 × 3,942,480
4. Step 4: Simplify right side
   1,816,692x = 15,543,148,550,400
5. Step 5: Solve for x
   x = 15,543,148,550,400/1,816,692
6. Step 6: Final answer
   x = 8,555,742.28