Finding the Third Proportional to 6,257,990 and 12,995,594

Step by Step Solution

1. Step 1: Write the proportion equation
   6,257,990 : 12,995,594 = 12,995,594 : x
2. Step 2: Convert to fraction form
   6,257,990/12,995,594 = 12,995,594/x
3. Step 3: Cross multiply
   6,257,990x = 12,995,594 × 12,995,594
4. Step 4: Simplify right side
   6,257,990x = 168,885,463,412,836
5. Step 5: Solve for x
   x = 168,885,463,412,836/6,257,990
6. Step 6: Final answer
   x = 26,987,173.74