Finding the Third Proportional to 3,294,015 and 7,137,870

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,015 : 7,137,870 = 7,137,870 : x
2. Step 2: Convert to fraction form
   3,294,015/7,137,870 = 7,137,870/x
3. Step 3: Cross multiply
   3,294,015x = 7,137,870 × 7,137,870
4. Step 4: Simplify right side
   3,294,015x = 50,949,188,136,900
5. Step 5: Solve for x
   x = 50,949,188,136,900/3,294,015
6. Step 6: Final answer
   x = 15,467,199.80