Finding the Third Proportional to 1,036,686 and 2,156,134

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,686 : 2,156,134 = 2,156,134 : x
2. Step 2: Convert to fraction form
   1,036,686/2,156,134 = 2,156,134/x
3. Step 3: Cross multiply
   1,036,686x = 2,156,134 × 2,156,134
4. Step 4: Simplify right side
   1,036,686x = 4,648,913,825,956
5. Step 5: Solve for x
   x = 4,648,913,825,956/1,036,686
6. Step 6: Final answer
   x = 4,484,399.16