Finding the Third Proportional to 554,395 and 1,191,609

Step by Step Solution

1. Step 1: Write the proportion equation
   554,395 : 1,191,609 = 1,191,609 : x
2. Step 2: Convert to fraction form
   554,395/1,191,609 = 1,191,609/x
3. Step 3: Cross multiply
   554,395x = 1,191,609 × 1,191,609
4. Step 4: Simplify right side
   554,395x = 1,419,932,008,881
5. Step 5: Solve for x
   x = 1,419,932,008,881/554,395
6. Step 6: Final answer
   x = 2,561,228.02