Finding the Third Proportional to 1,854,591 and 3,954,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,591 : 3,954,138 = 3,954,138 : x
2. Step 2: Convert to fraction form
   1,854,591/3,954,138 = 3,954,138/x
3. Step 3: Cross multiply
   1,854,591x = 3,954,138 × 3,954,138
4. Step 4: Simplify right side
   1,854,591x = 15,635,207,323,044
5. Step 5: Solve for x
   x = 15,635,207,323,044/1,854,591
6. Step 6: Final answer
   x = 8,430,542.00