Finding the Third Proportional to 1,814,412 and 3,906,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814,412 : 3,906,168 = 3,906,168 : x
2. Step 2: Convert to fraction form
   1,814,412/3,906,168 = 3,906,168/x
3. Step 3: Cross multiply
   1,814,412x = 3,906,168 × 3,906,168
4. Step 4: Simplify right side
   1,814,412x = 15,258,148,444,224
5. Step 5: Solve for x
   x = 15,258,148,444,224/1,814,412
6. Step 6: Final answer
   x = 8,409,417.73