Finding the Third Proportional to 394,513.50 and 862,836

Step by Step Solution

1. Step 1: Write the proportion equation
   394,513.50 : 862,836 = 862,836 : x
2. Step 2: Convert to fraction form
   394,513.50/862,836 = 862,836/x
3. Step 3: Cross multiply
   394,513.50x = 862,836 × 862,836
4. Step 4: Simplify right side
   394,513.50x = 744,485,962,896
5. Step 5: Solve for x
   x = 744,485,962,896/394,513.50
6. Step 6: Final answer
   x = 1,887,098.83