Finding the Third Proportional to 441,805.50 and 916,395

Step by Step Solution

1. Step 1: Write the proportion equation
   441,805.50 : 916,395 = 916,395 : x
2. Step 2: Convert to fraction form
   441,805.50/916,395 = 916,395/x
3. Step 3: Cross multiply
   441,805.50x = 916,395 × 916,395
4. Step 4: Simplify right side
   441,805.50x = 839,779,796,025
5. Step 5: Solve for x
   x = 839,779,796,025/441,805.50
6. Step 6: Final answer
   x = 1,900,790.72