Finding the Third Proportional to 521,509 and 1,082,988

Step by Step Solution

1. Step 1: Write the proportion equation
   521,509 : 1,082,988 = 1,082,988 : x
2. Step 2: Convert to fraction form
   521,509/1,082,988 = 1,082,988/x
3. Step 3: Cross multiply
   521,509x = 1,082,988 × 1,082,988
4. Step 4: Simplify right side
   521,509x = 1,172,863,008,144
5. Step 5: Solve for x
   x = 1,172,863,008,144/521,509
6. Step 6: Final answer
   x = 2,248,979.42