Finding the Third Proportional to 466,932 and 679,986

Step by Step Solution

1. Step 1: Write the proportion equation
   466,932 : 679,986 = 679,986 : x
2. Step 2: Convert to fraction form
   466,932/679,986 = 679,986/x
3. Step 3: Cross multiply
   466,932x = 679,986 × 679,986
4. Step 4: Simplify right side
   466,932x = 462,380,960,196
5. Step 5: Solve for x
   x = 462,380,960,196/466,932
6. Step 6: Final answer
   x = 990,253.31