Finding the Third Proportional to 1,117,992 and 1,580,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,992 : 1,580,436 = 1,580,436 : x
2. Step 2: Convert to fraction form
   1,117,992/1,580,436 = 1,580,436/x
3. Step 3: Cross multiply
   1,117,992x = 1,580,436 × 1,580,436
4. Step 4: Simplify right side
   1,117,992x = 2,497,777,950,096
5. Step 5: Solve for x
   x = 2,497,777,950,096/1,117,992
6. Step 6: Final answer
   x = 2,234,164.42