Finding the Third Proportional to 2,561,576.91 and 5,503,042.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,576.91 : 5,503,042.55 = 5,503,042.55 : x
2. Step 2: Convert to fraction form
   2,561,576.91/5,503,042.55 = 5,503,042.55/x
3. Step 3: Cross multiply
   2,561,576.91x = 5,503,042.55 × 5,503,042.55
4. Step 4: Simplify right side
   2,561,576.91x = 30,283,477,272,716.49
5. Step 5: Solve for x
   x = 30,283,477,272,716.49/2,561,576.91
6. Step 6: Final answer
   x = 11,822,201.08