Finding the Third Proportional to 1,628,644 and 3,525,367

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,644 : 3,525,367 = 3,525,367 : x
2. Step 2: Convert to fraction form
   1,628,644/3,525,367 = 3,525,367/x
3. Step 3: Cross multiply
   1,628,644x = 3,525,367 × 3,525,367
4. Step 4: Simplify right side
   1,628,644x = 12,428,212,484,689
5. Step 5: Solve for x
   x = 12,428,212,484,689/1,628,644
6. Step 6: Final answer
   x = 7,631,018.49