Finding the Third Proportional to 1,581,669 and 3,403,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,669 : 3,403,636 = 3,403,636 : x
2. Step 2: Convert to fraction form
   1,581,669/3,403,636 = 3,403,636/x
3. Step 3: Cross multiply
   1,581,669x = 3,403,636 × 3,403,636
4. Step 4: Simplify right side
   1,581,669x = 11,584,738,020,496
5. Step 5: Solve for x
   x = 11,584,738,020,496/1,581,669
6. Step 6: Final answer
   x = 7,324,375.72