Finding the Third Proportional to 539,378 and 1,182,436

Step by Step Solution

1. Step 1: Write the proportion equation
   539,378 : 1,182,436 = 1,182,436 : x
2. Step 2: Convert to fraction form
   539,378/1,182,436 = 1,182,436/x
3. Step 3: Cross multiply
   539,378x = 1,182,436 × 1,182,436
4. Step 4: Simplify right side
   539,378x = 1,398,154,894,096
5. Step 5: Solve for x
   x = 1,398,154,894,096/539,378
6. Step 6: Final answer
   x = 2,592,161.52