Finding the Third Proportional to 520,698 and 1,082,580

Step by Step Solution

1. Step 1: Write the proportion equation
   520,698 : 1,082,580 = 1,082,580 : x
2. Step 2: Convert to fraction form
   520,698/1,082,580 = 1,082,580/x
3. Step 3: Cross multiply
   520,698x = 1,082,580 × 1,082,580
4. Step 4: Simplify right side
   520,698x = 1,171,979,456,400
5. Step 5: Solve for x
   x = 1,171,979,456,400/520,698
6. Step 6: Final answer
   x = 2,250,785.40