Finding the Third Proportional to 1,445,885 and 3,140,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,885 : 3,140,672 = 3,140,672 : x
2. Step 2: Convert to fraction form
   1,445,885/3,140,672 = 3,140,672/x
3. Step 3: Cross multiply
   1,445,885x = 3,140,672 × 3,140,672
4. Step 4: Simplify right side
   1,445,885x = 9,863,820,611,584
5. Step 5: Solve for x
   x = 9,863,820,611,584/1,445,885
6. Step 6: Final answer
   x = 6,821,995.26