Finding the Third Proportional to 1,664,580 and 3,591,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,580 : 3,591,384 = 3,591,384 : x
2. Step 2: Convert to fraction form
   1,664,580/3,591,384 = 3,591,384/x
3. Step 3: Cross multiply
   1,664,580x = 3,591,384 × 3,591,384
4. Step 4: Simplify right side
   1,664,580x = 12,898,039,035,456
5. Step 5: Solve for x
   x = 12,898,039,035,456/1,664,580
6. Step 6: Final answer
   x = 7,748,524.57