Finding the Third Proportional to 1,715,406 and 3,666,886

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,406 : 3,666,886 = 3,666,886 : x
2. Step 2: Convert to fraction form
   1,715,406/3,666,886 = 3,666,886/x
3. Step 3: Cross multiply
   1,715,406x = 3,666,886 × 3,666,886
4. Step 4: Simplify right side
   1,715,406x = 13,446,052,936,996
5. Step 5: Solve for x
   x = 13,446,052,936,996/1,715,406
6. Step 6: Final answer
   x = 7,838,408.48