Finding the Third Proportional to 2,613,490.50 and 5,605,311

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613,490.50 : 5,605,311 = 5,605,311 : x
2. Step 2: Convert to fraction form
   2,613,490.50/5,605,311 = 5,605,311/x
3. Step 3: Cross multiply
   2,613,490.50x = 5,605,311 × 5,605,311
4. Step 4: Simplify right side
   2,613,490.50x = 31,419,511,406,721
5. Step 5: Solve for x
   x = 31,419,511,406,721/2,613,490.50
6. Step 6: Final answer
   x = 12,022,049.21