Finding the Third Proportional to 1,664,322 and 3,585,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664,322 : 3,585,009 = 3,585,009 : x
2. Step 2: Convert to fraction form
   1,664,322/3,585,009 = 3,585,009/x
3. Step 3: Cross multiply
   1,664,322x = 3,585,009 × 3,585,009
4. Step 4: Simplify right side
   1,664,322x = 12,852,289,530,081
5. Step 5: Solve for x
   x = 12,852,289,530,081/1,664,322
6. Step 6: Final answer
   x = 7,722,237.36