Finding the Third Proportional to 1,662,724 and 3,591,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,724 : 3,591,128 = 3,591,128 : x
2. Step 2: Convert to fraction form
   1,662,724/3,591,128 = 3,591,128/x
3. Step 3: Cross multiply
   1,662,724x = 3,591,128 × 3,591,128
4. Step 4: Simplify right side
   1,662,724x = 12,896,200,312,384
5. Step 5: Solve for x
   x = 12,896,200,312,384/1,662,724
6. Step 6: Final answer
   x = 7,756,067.94