Finding the Third Proportional to 1,664,712 and 3,591,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,712 : 3,591,648 = 3,591,648 : x
2. Step 2: Convert to fraction form
   1,664,712/3,591,648 = 3,591,648/x
3. Step 3: Cross multiply
   1,664,712x = 3,591,648 × 3,591,648
4. Step 4: Simplify right side
   1,664,712x = 12,899,935,355,904
5. Step 5: Solve for x
   x = 12,899,935,355,904/1,664,712
6. Step 6: Final answer
   x = 7,749,049.30