Finding the Third Proportional to 1,110,309 and 2,389,017

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110,309 : 2,389,017 = 2,389,017 : x
2. Step 2: Convert to fraction form
   1,110,309/2,389,017 = 2,389,017/x
3. Step 3: Cross multiply
   1,110,309x = 2,389,017 × 2,389,017
4. Step 4: Simplify right side
   1,110,309x = 5,707,402,226,289
5. Step 5: Solve for x
   x = 5,707,402,226,289/1,110,309
6. Step 6: Final answer
   x = 5,140,372.84