Finding the Third Proportional to 1,090,260 and 2,389,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,260 : 2,389,072 = 2,389,072 : x
2. Step 2: Convert to fraction form
   1,090,260/2,389,072 = 2,389,072/x
3. Step 3: Cross multiply
   1,090,260x = 2,389,072 × 2,389,072
4. Step 4: Simplify right side
   1,090,260x = 5,707,665,021,184
5. Step 5: Solve for x
   x = 5,707,665,021,184/1,090,260
6. Step 6: Final answer
   x = 5,235,141.18