Finding the Third Proportional to 776,268 and 1,178,404

Step by Step Solution

1. Step 1: Write the proportion equation
   776,268 : 1,178,404 = 1,178,404 : x
2. Step 2: Convert to fraction form
   776,268/1,178,404 = 1,178,404/x
3. Step 3: Cross multiply
   776,268x = 1,178,404 × 1,178,404
4. Step 4: Simplify right side
   776,268x = 1,388,635,987,216
5. Step 5: Solve for x
   x = 1,388,635,987,216/776,268
6. Step 6: Final answer
   x = 1,788,861.56