Finding the Third Proportional to 2,603,059.50 and 5,605,800

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603,059.50 : 5,605,800 = 5,605,800 : x
2. Step 2: Convert to fraction form
   2,603,059.50/5,605,800 = 5,605,800/x
3. Step 3: Cross multiply
   2,603,059.50x = 5,605,800 × 5,605,800
4. Step 4: Simplify right side
   2,603,059.50x = 31,424,993,640,000
5. Step 5: Solve for x
   x = 31,424,993,640,000/2,603,059.50
6. Step 6: Final answer
   x = 12,072,330.13