Finding the Third Proportional to 1,445,870 and 3,140,641

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,870 : 3,140,641 = 3,140,641 : x
2. Step 2: Convert to fraction form
   1,445,870/3,140,641 = 3,140,641/x
3. Step 3: Cross multiply
   1,445,870x = 3,140,641 × 3,140,641
4. Step 4: Simplify right side
   1,445,870x = 9,863,625,890,881
5. Step 5: Solve for x
   x = 9,863,625,890,881/1,445,870
6. Step 6: Final answer
   x = 6,821,931.36