Finding the Third Proportional to 1,724,772 and 3,628,287

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,772 : 3,628,287 = 3,628,287 : x
2. Step 2: Convert to fraction form
   1,724,772/3,628,287 = 3,628,287/x
3. Step 3: Cross multiply
   1,724,772x = 3,628,287 × 3,628,287
4. Step 4: Simplify right side
   1,724,772x = 13,164,466,554,369
5. Step 5: Solve for x
   x = 13,164,466,554,369/1,724,772
6. Step 6: Final answer
   x = 7,632,583.64