Finding the Third Proportional to 1,118,648 and 1,678,092

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,648 : 1,678,092 = 1,678,092 : x
2. Step 2: Convert to fraction form
   1,118,648/1,678,092 = 1,678,092/x
3. Step 3: Cross multiply
   1,118,648x = 1,678,092 × 1,678,092
4. Step 4: Simplify right side
   1,118,648x = 2,815,992,760,464
5. Step 5: Solve for x
   x = 2,815,992,760,464/1,118,648
6. Step 6: Final answer
   x = 2,517,318.01