Finding the Third Proportional to 3,377,870 and 7,280,617

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377,870 : 7,280,617 = 7,280,617 : x
2. Step 2: Convert to fraction form
   3,377,870/7,280,617 = 7,280,617/x
3. Step 3: Cross multiply
   3,377,870x = 7,280,617 × 7,280,617
4. Step 4: Simplify right side
   3,377,870x = 53,007,383,900,689
5. Step 5: Solve for x
   x = 53,007,383,900,689/3,377,870
6. Step 6: Final answer
   x = 15,692,547.05