Finding the Third Proportional to 2,559,438 and 5,600,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,438 : 5,600,988 = 5,600,988 : x
2. Step 2: Convert to fraction form
   2,559,438/5,600,988 = 5,600,988/x
3. Step 3: Cross multiply
   2,559,438x = 5,600,988 × 5,600,988
4. Step 4: Simplify right side
   2,559,438x = 31,371,066,576,144
5. Step 5: Solve for x
   x = 31,371,066,576,144/2,559,438
6. Step 6: Final answer
   x = 12,257,013.68