Finding the Third Proportional to 1,423,090 and 3,111,644

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,090 : 3,111,644 = 3,111,644 : x
2. Step 2: Convert to fraction form
   1,423,090/3,111,644 = 3,111,644/x
3. Step 3: Cross multiply
   1,423,090x = 3,111,644 × 3,111,644
4. Step 4: Simplify right side
   1,423,090x = 9,682,328,382,736
5. Step 5: Solve for x
   x = 9,682,328,382,736/1,423,090
6. Step 6: Final answer
   x = 6,803,735.80