Finding the Third Proportional to 1,283,963 and 3,036,431

Step by Step Solution

1. Step 1: Write the proportion equation
   1,283,963 : 3,036,431 = 3,036,431 : x
2. Step 2: Convert to fraction form
   1,283,963/3,036,431 = 3,036,431/x
3. Step 3: Cross multiply
   1,283,963x = 3,036,431 × 3,036,431
4. Step 4: Simplify right side
   1,283,963x = 9,219,913,217,761
5. Step 5: Solve for x
   x = 9,219,913,217,761/1,283,963
6. Step 6: Final answer
   x = 7,180,824.69