Finding the Third Proportional to 2,576,515 and 5,596,991

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,515 : 5,596,991 = 5,596,991 : x
2. Step 2: Convert to fraction form
   2,576,515/5,596,991 = 5,596,991/x
3. Step 3: Cross multiply
   2,576,515x = 5,596,991 × 5,596,991
4. Step 4: Simplify right side
   2,576,515x = 31,326,308,254,081
5. Step 5: Solve for x
   x = 31,326,308,254,081/2,576,515
6. Step 6: Final answer
   x = 12,158,403.21