Finding the Third Proportional to 2,201,644 and 4,465,189

Step by Step Solution

1. Step 1: Write the proportion equation
   2,201,644 : 4,465,189 = 4,465,189 : x
2. Step 2: Convert to fraction form
   2,201,644/4,465,189 = 4,465,189/x
3. Step 3: Cross multiply
   2,201,644x = 4,465,189 × 4,465,189
4. Step 4: Simplify right side
   2,201,644x = 19,937,912,805,721
5. Step 5: Solve for x
   x = 19,937,912,805,721/2,201,644
6. Step 6: Final answer
   x = 9,055,920.40