Finding the Third Proportional to 1,178,634 and 2,511,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,634 : 2,511,812 = 2,511,812 : x
2. Step 2: Convert to fraction form
   1,178,634/2,511,812 = 2,511,812/x
3. Step 3: Cross multiply
   1,178,634x = 2,511,812 × 2,511,812
4. Step 4: Simplify right side
   1,178,634x = 6,309,199,523,344
5. Step 5: Solve for x
   x = 6,309,199,523,344/1,178,634
6. Step 6: Final answer
   x = 5,352,976.01