Finding the Third Proportional to 2,045,009 and 4,428,499

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045,009 : 4,428,499 = 4,428,499 : x
2. Step 2: Convert to fraction form
   2,045,009/4,428,499 = 4,428,499/x
3. Step 3: Cross multiply
   2,045,009x = 4,428,499 × 4,428,499
4. Step 4: Simplify right side
   2,045,009x = 19,611,603,393,001
5. Step 5: Solve for x
   x = 19,611,603,393,001/2,045,009
6. Step 6: Final answer
   x = 9,589,983.90