Finding the Third Proportional to 1,431,601 and 3,087,369

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,601 : 3,087,369 = 3,087,369 : x
2. Step 2: Convert to fraction form
   1,431,601/3,087,369 = 3,087,369/x
3. Step 3: Cross multiply
   1,431,601x = 3,087,369 × 3,087,369
4. Step 4: Simplify right side
   1,431,601x = 9,531,847,342,161
5. Step 5: Solve for x
   x = 9,531,847,342,161/1,431,601
6. Step 6: Final answer
   x = 6,658,173.15