Finding the Third Proportional to 1,431,756 and 3,116,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,756 : 3,116,718 = 3,116,718 : x
2. Step 2: Convert to fraction form
   1,431,756/3,116,718 = 3,116,718/x
3. Step 3: Cross multiply
   1,431,756x = 3,116,718 × 3,116,718
4. Step 4: Simplify right side
   1,431,756x = 9,713,931,091,524
5. Step 5: Solve for x
   x = 9,713,931,091,524/1,431,756
6. Step 6: Final answer
   x = 6,784,627.47