Finding the Third Proportional to 542,676 and 1,178,718

Step by Step Solution

1. Step 1: Write the proportion equation
   542,676 : 1,178,718 = 1,178,718 : x
2. Step 2: Convert to fraction form
   542,676/1,178,718 = 1,178,718/x
3. Step 3: Cross multiply
   542,676x = 1,178,718 × 1,178,718
4. Step 4: Simplify right side
   542,676x = 1,389,376,123,524
5. Step 5: Solve for x
   x = 1,389,376,123,524/542,676
6. Step 6: Final answer
   x = 2,560,231.38