Finding the Third Proportional to 1,814,430 and 3,906,204

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814,430 : 3,906,204 = 3,906,204 : x
2. Step 2: Convert to fraction form
   1,814,430/3,906,204 = 3,906,204/x
3. Step 3: Cross multiply
   1,814,430x = 3,906,204 × 3,906,204
4. Step 4: Simplify right side
   1,814,430x = 15,258,429,689,616
5. Step 5: Solve for x
   x = 15,258,429,689,616/1,814,430
6. Step 6: Final answer
   x = 8,409,489.31