Finding the Third Proportional to 1,628,768 and 3,509,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628,768 : 3,509,976 = 3,509,976 : x
2. Step 2: Convert to fraction form
   1,628,768/3,509,976 = 3,509,976/x
3. Step 3: Cross multiply
   1,628,768x = 3,509,976 × 3,509,976
4. Step 4: Simplify right side
   1,628,768x = 12,319,931,520,576
5. Step 5: Solve for x
   x = 12,319,931,520,576/1,628,768
6. Step 6: Final answer
   x = 7,563,957.25