Finding the Third Proportional to 1,665,409 and 3,632,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,409 : 3,632,009 = 3,632,009 : x
2. Step 2: Convert to fraction form
   1,665,409/3,632,009 = 3,632,009/x
3. Step 3: Cross multiply
   1,665,409x = 3,632,009 × 3,632,009
4. Step 4: Simplify right side
   1,665,409x = 13,191,489,376,081
5. Step 5: Solve for x
   x = 13,191,489,376,081/1,665,409
6. Step 6: Final answer
   x = 7,920,870.71