Finding the Third Proportional to 1,431,342 and 3,086,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,342 : 3,086,868 = 3,086,868 : x
2. Step 2: Convert to fraction form
   1,431,342/3,086,868 = 3,086,868/x
3. Step 3: Cross multiply
   1,431,342x = 3,086,868 × 3,086,868
4. Step 4: Simplify right side
   1,431,342x = 9,528,754,049,424
5. Step 5: Solve for x
   x = 9,528,754,049,424/1,431,342
6. Step 6: Final answer
   x = 6,657,216.83