Finding the Third Proportional to 1,631,608 and 3,499,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,608 : 3,499,406 = 3,499,406 : x
2. Step 2: Convert to fraction form
   1,631,608/3,499,406 = 3,499,406/x
3. Step 3: Cross multiply
   1,631,608x = 3,499,406 × 3,499,406
4. Step 4: Simplify right side
   1,631,608x = 12,245,842,352,836
5. Step 5: Solve for x
   x = 12,245,842,352,836/1,631,608
6. Step 6: Final answer
   x = 7,505,382.64