Finding the Third Proportional to 487,379 and 1,086,819

Step by Step Solution

1. Step 1: Write the proportion equation
   487,379 : 1,086,819 = 1,086,819 : x
2. Step 2: Convert to fraction form
   487,379/1,086,819 = 1,086,819/x
3. Step 3: Cross multiply
   487,379x = 1,086,819 × 1,086,819
4. Step 4: Simplify right side
   487,379x = 1,181,175,538,761
5. Step 5: Solve for x
   x = 1,181,175,538,761/487,379
6. Step 6: Final answer
   x = 2,423,525.71