Finding the Third Proportional to 568,251 and 862,744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   568,251 : 862,744.50 = 862,744.50 : x
2. Step 2: Convert to fraction form
   568,251/862,744.50 = 862,744.50/x
3. Step 3: Cross multiply
   568,251x = 862,744.50 × 862,744.50
4. Step 4: Simplify right side
   568,251x = 744,328,072,280.25
5. Step 5: Solve for x
   x = 744,328,072,280.25/568,251
6. Step 6: Final answer
   x = 1,309,857.92