Finding the Third Proportional to 1,600,646 and 3,778,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600,646 : 3,778,416 = 3,778,416 : x
2. Step 2: Convert to fraction form
   1,600,646/3,778,416 = 3,778,416/x
3. Step 3: Cross multiply
   1,600,646x = 3,778,416 × 3,778,416
4. Step 4: Simplify right side
   1,600,646x = 14,276,427,469,056
5. Step 5: Solve for x
   x = 14,276,427,469,056/1,600,646
6. Step 6: Final answer
   x = 8,919,166.05