Finding the Third Proportional to 789,040 and 1,116,474

Step by Step Solution

1. Step 1: Write the proportion equation
   789,040 : 1,116,474 = 1,116,474 : x
2. Step 2: Convert to fraction form
   789,040/1,116,474 = 1,116,474/x
3. Step 3: Cross multiply
   789,040x = 1,116,474 × 1,116,474
4. Step 4: Simplify right side
   789,040x = 1,246,514,192,676
5. Step 5: Solve for x
   x = 1,246,514,192,676/789,040
6. Step 6: Final answer
   x = 1,579,785.81