Finding the Third Proportional to 283,037 and 618,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   283,037 : 618,561.50 = 618,561.50 : x
2. Step 2: Convert to fraction form
   283,037/618,561.50 = 618,561.50/x
3. Step 3: Cross multiply
   283,037x = 618,561.50 × 618,561.50
4. Step 4: Simplify right side
   283,037x = 382,618,329,282.25
5. Step 5: Solve for x
   x = 382,618,329,282.25/283,037
6. Step 6: Final answer
   x = 1,351,831.49