Finding the Third Proportional to 722,928.50 and 1,082,205.50

Step by Step Solution

1. Step 1: Write the proportion equation
   722,928.50 : 1,082,205.50 = 1,082,205.50 : x
2. Step 2: Convert to fraction form
   722,928.50/1,082,205.50 = 1,082,205.50/x
3. Step 3: Cross multiply
   722,928.50x = 1,082,205.50 × 1,082,205.50
4. Step 4: Simplify right side
   722,928.50x = 1,171,168,744,230.25
5. Step 5: Solve for x
   x = 1,171,168,744,230.25/722,928.50
6. Step 6: Final answer
   x = 1,620,033.99