Finding the Third Proportional to 1,069,409 and 2,227,279

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,409 : 2,227,279 = 2,227,279 : x
2. Step 2: Convert to fraction form
   1,069,409/2,227,279 = 2,227,279/x
3. Step 3: Cross multiply
   1,069,409x = 2,227,279 × 2,227,279
4. Step 4: Simplify right side
   1,069,409x = 4,960,771,743,841
5. Step 5: Solve for x
   x = 4,960,771,743,841/1,069,409
6. Step 6: Final answer
   x = 4,638,797.45