Finding the Third Proportional to 1,398,465 and 3,062,691

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,465 : 3,062,691 = 3,062,691 : x
2. Step 2: Convert to fraction form
   1,398,465/3,062,691 = 3,062,691/x
3. Step 3: Cross multiply
   1,398,465x = 3,062,691 × 3,062,691
4. Step 4: Simplify right side
   1,398,465x = 9,380,076,161,481
5. Step 5: Solve for x
   x = 9,380,076,161,481/1,398,465
6. Step 6: Final answer
   x = 6,707,408.60