Finding the Third Proportional to 1,445,817 and 3,140,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,817 : 3,140,876 = 3,140,876 : x
2. Step 2: Convert to fraction form
   1,445,817/3,140,876 = 3,140,876/x
3. Step 3: Cross multiply
   1,445,817x = 3,140,876 × 3,140,876
4. Step 4: Simplify right side
   1,445,817x = 9,865,102,047,376
5. Step 5: Solve for x
   x = 9,865,102,047,376/1,445,817
6. Step 6: Final answer
   x = 6,823,202.42