Finding the Third Proportional to 441,607.50 and 983,128.50

Step by Step Solution

1. Step 1: Write the proportion equation
   441,607.50 : 983,128.50 = 983,128.50 : x
2. Step 2: Convert to fraction form
   441,607.50/983,128.50 = 983,128.50/x
3. Step 3: Cross multiply
   441,607.50x = 983,128.50 × 983,128.50
4. Step 4: Simplify right side
   441,607.50x = 966,541,647,512.25
5. Step 5: Solve for x
   x = 966,541,647,512.25/441,607.50
6. Step 6: Final answer
   x = 2,188,689.38