Finding the Third Proportional to 513,569 and 1,145,155

Step by Step Solution

1. Step 1: Write the proportion equation
   513,569 : 1,145,155 = 1,145,155 : x
2. Step 2: Convert to fraction form
   513,569/1,145,155 = 1,145,155/x
3. Step 3: Cross multiply
   513,569x = 1,145,155 × 1,145,155
4. Step 4: Simplify right side
   513,569x = 1,311,379,974,025
5. Step 5: Solve for x
   x = 1,311,379,974,025/513,569
6. Step 6: Final answer
   x = 2,553,464.04