Finding the Third Proportional to 3,377,865 and 7,280,607

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377,865 : 7,280,607 = 7,280,607 : x
2. Step 2: Convert to fraction form
   3,377,865/7,280,607 = 7,280,607/x
3. Step 3: Cross multiply
   3,377,865x = 7,280,607 × 7,280,607
4. Step 4: Simplify right side
   3,377,865x = 53,007,238,288,449
5. Step 5: Solve for x
   x = 53,007,238,288,449/3,377,865
6. Step 6: Final answer
   x = 15,692,527.17