Finding the Third Proportional to 2,558,582 and 5,515,725

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,582 : 5,515,725 = 5,515,725 : x
2. Step 2: Convert to fraction form
   2,558,582/5,515,725 = 5,515,725/x
3. Step 3: Cross multiply
   2,558,582x = 5,515,725 × 5,515,725
4. Step 4: Simplify right side
   2,558,582x = 30,423,222,275,625
5. Step 5: Solve for x
   x = 30,423,222,275,625/2,558,582
6. Step 6: Final answer
   x = 11,890,657.51