Finding the Third Proportional to 1,192,400 and 2,555,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,400 : 2,555,424 = 2,555,424 : x
2. Step 2: Convert to fraction form
   1,192,400/2,555,424 = 2,555,424/x
3. Step 3: Cross multiply
   1,192,400x = 2,555,424 × 2,555,424
4. Step 4: Simplify right side
   1,192,400x = 6,530,191,819,776
5. Step 5: Solve for x
   x = 6,530,191,819,776/1,192,400
6. Step 6: Final answer
   x = 5,476,511.09