Finding the Third Proportional to 1,664,582 and 3,591,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,582 : 3,591,388 = 3,591,388 : x
2. Step 2: Convert to fraction form
   1,664,582/3,591,388 = 3,591,388/x
3. Step 3: Cross multiply
   1,664,582x = 3,591,388 × 3,591,388
4. Step 4: Simplify right side
   1,664,582x = 12,898,067,766,544
5. Step 5: Solve for x
   x = 12,898,067,766,544/1,664,582
6. Step 6: Final answer
   x = 7,748,532.52