Finding the Third Proportional to 1,389,963 and 3,045,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,963 : 3,045,642 = 3,045,642 : x
2. Step 2: Convert to fraction form
   1,389,963/3,045,642 = 3,045,642/x
3. Step 3: Cross multiply
   1,389,963x = 3,045,642 × 3,045,642
4. Step 4: Simplify right side
   1,389,963x = 9,275,935,192,164
5. Step 5: Solve for x
   x = 9,275,935,192,164/1,389,963
6. Step 6: Final answer
   x = 6,673,512.31