Finding the Third Proportional to 1,854,660 and 3,954,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,660 : 3,954,276 = 3,954,276 : x
2. Step 2: Convert to fraction form
   1,854,660/3,954,276 = 3,954,276/x
3. Step 3: Cross multiply
   1,854,660x = 3,954,276 × 3,954,276
4. Step 4: Simplify right side
   1,854,660x = 15,636,298,684,176
5. Step 5: Solve for x
   x = 15,636,298,684,176/1,854,660
6. Step 6: Final answer
   x = 8,430,816.80