Finding the Third Proportional to 1,016,649 and 2,172,906

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,649 : 2,172,906 = 2,172,906 : x
2. Step 2: Convert to fraction form
   1,016,649/2,172,906 = 2,172,906/x
3. Step 3: Cross multiply
   1,016,649x = 2,172,906 × 2,172,906
4. Step 4: Simplify right side
   1,016,649x = 4,721,520,484,836
5. Step 5: Solve for x
   x = 4,721,520,484,836/1,016,649
6. Step 6: Final answer
   x = 4,644,199.21