Finding the Third Proportional to 3,377,867 and 7,280,611

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377,867 : 7,280,611 = 7,280,611 : x
2. Step 2: Convert to fraction form
   3,377,867/7,280,611 = 7,280,611/x
3. Step 3: Cross multiply
   3,377,867x = 7,280,611 × 7,280,611
4. Step 4: Simplify right side
   3,377,867x = 53,007,296,533,321
5. Step 5: Solve for x
   x = 53,007,296,533,321/3,377,867
6. Step 6: Final answer
   x = 15,692,535.12