Finding the Third Proportional to 2,551,021 and 5,599,625

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,021 : 5,599,625 = 5,599,625 : x
2. Step 2: Convert to fraction form
   2,551,021/5,599,625 = 5,599,625/x
3. Step 3: Cross multiply
   2,551,021x = 5,599,625 × 5,599,625
4. Step 4: Simplify right side
   2,551,021x = 31,355,800,140,625
5. Step 5: Solve for x
   x = 31,355,800,140,625/2,551,021
6. Step 6: Final answer
   x = 12,291,470.80