Finding the Third Proportional to 1,192,420 and 2,555,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192,420 : 2,555,464 = 2,555,464 : x
2. Step 2: Convert to fraction form
   1,192,420/2,555,464 = 2,555,464/x
3. Step 3: Cross multiply
   1,192,420x = 2,555,464 × 2,555,464
4. Step 4: Simplify right side
   1,192,420x = 6,530,396,255,296
5. Step 5: Solve for x
   x = 6,530,396,255,296/1,192,420
6. Step 6: Final answer
   x = 5,476,590.68