Finding the Third Proportional to 2,564,658 and 5,573,799

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,658 : 5,573,799 = 5,573,799 : x
2. Step 2: Convert to fraction form
   2,564,658/5,573,799 = 5,573,799/x
3. Step 3: Cross multiply
   2,564,658x = 5,573,799 × 5,573,799
4. Step 4: Simplify right side
   2,564,658x = 31,067,235,292,401
5. Step 5: Solve for x
   x = 31,067,235,292,401/2,564,658
6. Step 6: Final answer
   x = 12,113,597.72