Finding the Third Proportional to 456,400 and 1,017,740

Step by Step Solution

1. Step 1: Write the proportion equation
   456,400 : 1,017,740 = 1,017,740 : x
2. Step 2: Convert to fraction form
   456,400/1,017,740 = 1,017,740/x
3. Step 3: Cross multiply
   456,400x = 1,017,740 × 1,017,740
4. Step 4: Simplify right side
   456,400x = 1,035,794,707,600
5. Step 5: Solve for x
   x = 1,035,794,707,600/456,400
6. Step 6: Final answer
   x = 2,269,488.84