Finding the Third Proportional to 1,432,646 and 3,140,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,646 : 3,140,856 = 3,140,856 : x
2. Step 2: Convert to fraction form
   1,432,646/3,140,856 = 3,140,856/x
3. Step 3: Cross multiply
   1,432,646x = 3,140,856 × 3,140,856
4. Step 4: Simplify right side
   1,432,646x = 9,864,976,412,736
5. Step 5: Solve for x
   x = 9,864,976,412,736/1,432,646
6. Step 6: Final answer
   x = 6,885,843.69