Finding the Third Proportional to 1,865,404 and 4,016,204

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,404 : 4,016,204 = 4,016,204 : x
2. Step 2: Convert to fraction form
   1,865,404/4,016,204 = 4,016,204/x
3. Step 3: Cross multiply
   1,865,404x = 4,016,204 × 4,016,204
4. Step 4: Simplify right side
   1,865,404x = 16,129,894,569,616
5. Step 5: Solve for x
   x = 16,129,894,569,616/1,865,404
6. Step 6: Final answer
   x = 8,646,863.93