Finding the Third Proportional to 1,129,089 and 2,421,906

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,089 : 2,421,906 = 2,421,906 : x
2. Step 2: Convert to fraction form
   1,129,089/2,421,906 = 2,421,906/x
3. Step 3: Cross multiply
   1,129,089x = 2,421,906 × 2,421,906
4. Step 4: Simplify right side
   1,129,089x = 5,865,628,672,836
5. Step 5: Solve for x
   x = 5,865,628,672,836/1,129,089
6. Step 6: Final answer
   x = 5,195,010.02