Finding the Third Proportional to 1,724,682 and 3,628,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,682 : 3,628,128 = 3,628,128 : x
2. Step 2: Convert to fraction form
   1,724,682/3,628,128 = 3,628,128/x
3. Step 3: Cross multiply
   1,724,682x = 3,628,128 × 3,628,128
4. Step 4: Simplify right side
   1,724,682x = 13,163,312,784,384
5. Step 5: Solve for x
   x = 13,163,312,784,384/1,724,682
6. Step 6: Final answer
   x = 7,632,312.96