Finding the Third Proportional to 1,445,877 and 3,140,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,877 : 3,140,656 = 3,140,656 : x
2. Step 2: Convert to fraction form
   1,445,877/3,140,656 = 3,140,656/x
3. Step 3: Cross multiply
   1,445,877x = 3,140,656 × 3,140,656
4. Step 4: Simplify right side
   1,445,877x = 9,863,720,110,336
5. Step 5: Solve for x
   x = 9,863,720,110,336/1,445,877
6. Step 6: Final answer
   x = 6,821,963.49