Finding the Third Proportional to 1,309,860 and 2,818,917

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,860 : 2,818,917 = 2,818,917 : x
2. Step 2: Convert to fraction form
   1,309,860/2,818,917 = 2,818,917/x
3. Step 3: Cross multiply
   1,309,860x = 2,818,917 × 2,818,917
4. Step 4: Simplify right side
   1,309,860x = 7,946,293,052,889
5. Step 5: Solve for x
   x = 7,946,293,052,889/1,309,860
6. Step 6: Final answer
   x = 6,066,520.89