Finding the Third Proportional to 1,642,911 and 3,528,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642,911 : 3,528,687 = 3,528,687 : x
2. Step 2: Convert to fraction form
   1,642,911/3,528,687 = 3,528,687/x
3. Step 3: Cross multiply
   1,642,911x = 3,528,687 × 3,528,687
4. Step 4: Simplify right side
   1,642,911x = 12,451,631,943,969
5. Step 5: Solve for x
   x = 12,451,631,943,969/1,642,911
6. Step 6: Final answer
   x = 7,579,005.77