Finding the Third Proportional to 283,276.50 and 611,790

Step by Step Solution

1. Step 1: Write the proportion equation
   283,276.50 : 611,790 = 611,790 : x
2. Step 2: Convert to fraction form
   283,276.50/611,790 = 611,790/x
3. Step 3: Cross multiply
   283,276.50x = 611,790 × 611,790
4. Step 4: Simplify right side
   283,276.50x = 374,287,004,100
5. Step 5: Solve for x
   x = 374,287,004,100/283,276.50
6. Step 6: Final answer
   x = 1,321,277.99