Finding the Third Proportional to 2,615,673 and 5,644,119

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,673 : 5,644,119 = 5,644,119 : x
2. Step 2: Convert to fraction form
   2,615,673/5,644,119 = 5,644,119/x
3. Step 3: Cross multiply
   2,615,673x = 5,644,119 × 5,644,119
4. Step 4: Simplify right side
   2,615,673x = 31,856,079,286,161
5. Step 5: Solve for x
   x = 31,856,079,286,161/2,615,673
6. Step 6: Final answer
   x = 12,178,922.70