Finding the Third Proportional to 1,178,442 and 2,511,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,442 : 2,511,432 = 2,511,432 : x
2. Step 2: Convert to fraction form
   1,178,442/2,511,432 = 2,511,432/x
3. Step 3: Cross multiply
   1,178,442x = 2,511,432 × 2,511,432
4. Step 4: Simplify right side
   1,178,442x = 6,307,290,690,624
5. Step 5: Solve for x
   x = 6,307,290,690,624/1,178,442
6. Step 6: Final answer
   x = 5,352,228.36