Finding the Third Proportional to 1,431,291 and 3,111,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,291 : 3,111,080 = 3,111,080 : x
2. Step 2: Convert to fraction form
   1,431,291/3,111,080 = 3,111,080/x
3. Step 3: Cross multiply
   1,431,291x = 3,111,080 × 3,111,080
4. Step 4: Simplify right side
   1,431,291x = 9,678,818,766,400
5. Step 5: Solve for x
   x = 9,678,818,766,400/1,431,291
6. Step 6: Final answer
   x = 6,762,299.75