Finding the Third Proportional to 1,111,108 and 2,390,831

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,108 : 2,390,831 = 2,390,831 : x
2. Step 2: Convert to fraction form
   1,111,108/2,390,831 = 2,390,831/x
3. Step 3: Cross multiply
   1,111,108x = 2,390,831 × 2,390,831
4. Step 4: Simplify right side
   1,111,108x = 5,716,072,870,561
5. Step 5: Solve for x
   x = 5,716,072,870,561/1,111,108
6. Step 6: Final answer
   x = 5,144,479.99