Finding the Third Proportional to 1,664,584 and 3,591,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,584 : 3,591,392 = 3,591,392 : x
2. Step 2: Convert to fraction form
   1,664,584/3,591,392 = 3,591,392/x
3. Step 3: Cross multiply
   1,664,584x = 3,591,392 × 3,591,392
4. Step 4: Simplify right side
   1,664,584x = 12,898,096,497,664
5. Step 5: Solve for x
   x = 12,898,096,497,664/1,664,584
6. Step 6: Final answer
   x = 7,748,540.47