Finding the Third Proportional to 487,406 and 1,086,878

Step by Step Solution

1. Step 1: Write the proportion equation
   487,406 : 1,086,878 = 1,086,878 : x
2. Step 2: Convert to fraction form
   487,406/1,086,878 = 1,086,878/x
3. Step 3: Cross multiply
   487,406x = 1,086,878 × 1,086,878
4. Step 4: Simplify right side
   487,406x = 1,181,303,786,884
5. Step 5: Solve for x
   x = 1,181,303,786,884/487,406
6. Step 6: Final answer
   x = 2,423,654.59