Finding the Third Proportional to 1,689,477 and 3,676,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,477 : 3,676,386 = 3,676,386 : x
2. Step 2: Convert to fraction form
   1,689,477/3,676,386 = 3,676,386/x
3. Step 3: Cross multiply
   1,689,477x = 3,676,386 × 3,676,386
4. Step 4: Simplify right side
   1,689,477x = 13,515,814,020,996
5. Step 5: Solve for x
   x = 13,515,814,020,996/1,689,477
6. Step 6: Final answer
   x = 7,999,998.83