Finding the Third Proportional to 554,396 and 1,191,612

Step by Step Solution

1. Step 1: Write the proportion equation
   554,396 : 1,191,612 = 1,191,612 : x
2. Step 2: Convert to fraction form
   554,396/1,191,612 = 1,191,612/x
3. Step 3: Cross multiply
   554,396x = 1,191,612 × 1,191,612
4. Step 4: Simplify right side
   554,396x = 1,419,939,158,544
5. Step 5: Solve for x
   x = 1,419,939,158,544/554,396
6. Step 6: Final answer
   x = 2,561,236.30