Finding the Third Proportional to 1,015,948 and 2,171,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,948 : 2,171,856 = 2,171,856 : x
2. Step 2: Convert to fraction form
   1,015,948/2,171,856 = 2,171,856/x
3. Step 3: Cross multiply
   1,015,948x = 2,171,856 × 2,171,856
4. Step 4: Simplify right side
   1,015,948x = 4,716,958,484,736
5. Step 5: Solve for x
   x = 4,716,958,484,736/1,015,948
6. Step 6: Final answer
   x = 4,642,913.30