Finding the Third Proportional to 1,605,665 and 2,201,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,665 : 2,201,724 = 2,201,724 : x
2. Step 2: Convert to fraction form
   1,605,665/2,201,724 = 2,201,724/x
3. Step 3: Cross multiply
   1,605,665x = 2,201,724 × 2,201,724
4. Step 4: Simplify right side
   1,605,665x = 4,847,588,572,176
5. Step 5: Solve for x
   x = 4,847,588,572,176/1,605,665
6. Step 6: Final answer
   x = 3,019,053.52