Finding the Third Proportional to 394,574.50 and 869,582

Step by Step Solution

1. Step 1: Write the proportion equation
   394,574.50 : 869,582 = 869,582 : x
2. Step 2: Convert to fraction form
   394,574.50/869,582 = 869,582/x
3. Step 3: Cross multiply
   394,574.50x = 869,582 × 869,582
4. Step 4: Simplify right side
   394,574.50x = 756,172,854,724
5. Step 5: Solve for x
   x = 756,172,854,724/394,574.50
6. Step 6: Final answer
   x = 1,916,426.06