Finding the Third Proportional to 1,445,876 and 3,140,653

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,876 : 3,140,653 = 3,140,653 : x
2. Step 2: Convert to fraction form
   1,445,876/3,140,653 = 3,140,653/x
3. Step 3: Cross multiply
   1,445,876x = 3,140,653 × 3,140,653
4. Step 4: Simplify right side
   1,445,876x = 9,863,701,266,409
5. Step 5: Solve for x
   x = 9,863,701,266,409/1,445,876
6. Step 6: Final answer
   x = 6,821,955.18