Finding the Third Proportional to 1,607,309 and 2,188,849

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607,309 : 2,188,849 = 2,188,849 : x
2. Step 2: Convert to fraction form
   1,607,309/2,188,849 = 2,188,849/x
3. Step 3: Cross multiply
   1,607,309x = 2,188,849 × 2,188,849
4. Step 4: Simplify right side
   1,607,309x = 4,791,059,944,801
5. Step 5: Solve for x
   x = 4,791,059,944,801/1,607,309
6. Step 6: Final answer
   x = 2,980,795.82