Finding the Third Proportional to 1,445,876 and 3,140,654

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,876 : 3,140,654 = 3,140,654 : x
2. Step 2: Convert to fraction form
   1,445,876/3,140,654 = 3,140,654/x
3. Step 3: Cross multiply
   1,445,876x = 3,140,654 × 3,140,654
4. Step 4: Simplify right side
   1,445,876x = 9,863,707,547,716
5. Step 5: Solve for x
   x = 9,863,707,547,716/1,445,876
6. Step 6: Final answer
   x = 6,821,959.52