Finding the Third Proportional to 1,228,173 and 2,665,089

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,173 : 2,665,089 = 2,665,089 : x
2. Step 2: Convert to fraction form
   1,228,173/2,665,089 = 2,665,089/x
3. Step 3: Cross multiply
   1,228,173x = 2,665,089 × 2,665,089
4. Step 4: Simplify right side
   1,228,173x = 7,102,699,377,921
5. Step 5: Solve for x
   x = 7,102,699,377,921/1,228,173
6. Step 6: Final answer
   x = 5,783,142.42